由于当做作业任务交上去后老师严重不满意，缺乏数据结构的运用。
故而修改，讲所有数据库的部分全部删除。改成数组、链表以及文件操作。
主要代码如下：
LoginForm:
核心代码如下：
string currentAccount = " ";
private void btnRegister_Click(object sender, EventArgs e)
{
RegisterForm rForm = new RegisterForm();
rForm.lg = this; //将当前窗口传递给注册窗口
rForm.ShowDialog();
}
/// <summary>
/// 功能:用来接收注册页面传递来的用户，并显示在文本框上
/// 时间：2013/9/15
/// 作者：余颜凯
/// </summary>
/// <param name="name"></param>
public void getUserName(string name)
{
textName.Text = name;
}
/// <summary>
/// 功能：以登陆的账户名字为账本文件名
/// </summary>
/// <returns></returns>
public string userNameForAccountFile()
{
return currentAccount;
}
/// <summary>
/// 功能：获得保存的密码(点击了保存账号密码的checkbox)
/// 作者：余颜凯
/// 时间：2013/9/19,2013/10/14
/// </summary>
public void getPassword()
{
//从文件中读取已注册的用户
Users users = new Users();
users.readFile();
//查找标示位为"1"的数据
for(int i = 0;i < users.userCount;i++)
{
if(users.userList[i].Tag == "1")
{
textName.Text = users.userList[i].userName;
textPassword.Text = users.userList[i].userPassword;
}
}
}
/// <summary>
/// 功能：保存用户名和密码到文件
/// 作者：余颜凯
/// 时间：2013/10/14
/// </summary>
public void savePassword()
{
//从文件中读取已注册的用户
Users users = new Users();
users.readFile();
//查找要保存的数据名
for (int i = 0; i < users.userCount; i++)
{
if (users.userList[i].Tag == "1")
{
if (users.userList[i].userName != textName.Text.Trim())
{
users.userList[i].Tag = "0";
}
}
else if (users.userList[i].userName == textName.Text.Trim())
{
users.userList[i].Tag = "1";
}
}
//还要存盘
users.saveFile();
}
/// <summary>
/// 不足：没用重用登陆按钮的功能
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void btnLogin_Click(object sender, EventArgs e)
{
bool isNotEmpty = CheckEmpty();
//如果能通过检查，
if (isNotEmpty == true)
{
Users users = new Users();
users.readFile();
int count = 0;
for(int i = 0;i < users.userCount; i++)
{
if(users.userList[i].userName == textName.Text.Trim())
{
currentAccount = textName.Text.Trim();
count =1;
break;
}
}
if (count == 1)
{
if (ckbRemember.Checked == true)
{
this.savePassword();
}
//登陆成功就打开主窗口
MainForm mForm = new MainForm();
mForm.Show();
//只能因此父窗口(LoginForm)
this.Hide();
}
else//数据库中无数据,version2.0:users.txt中无数据
{
labelAllError.Visible = true;
}
}
}
/// <summary>
/// 功能：检查登陆时数据的合法性
/// 作者：余颜凯
/// 时间：2013/9/19
/// </summary>
/// <returns></returns>
private bool CheckEmpty()
{
//默认为不为空
bool result = true;
if (textName.Text.Trim() == String.Empty)
{
labelNameError.Visible = true;
result = false;
}
else
{
labelNameError.Visible = false;
}
if (textPassword.Text.Trim() == String.Empty)
{
labelPasswordError.Visible = true;
result = false;
}
else
{
labelPasswordError.Visible = false;
}
return result;
}
private void LoginForm_Load(object sender, EventArgs e)
{
getPassword();
}
private void btnQuitSave_Click(object sender, EventArgs e)
{
//从文件中读取已注册的用户
Users users = new Users();
users.readFile();
//查找要保存的数据名
for (int i = 0; i < users.userCount; i++)
{
if (users.userList[i].userName == textName.Text.Trim())
{
users.userList[i].Tag = "0";
}
}
//还要存盘
users.saveFile();
this.textName.Text = string.Empty;
this.textPassword.Text = string.Empty;
}单条记录FinanceRecord类，如下：
class RecordList
{
public FinanceRecord pHead;
public FinanceRecord Head
{
get
{
return Head;
}
}
private int intNum;
public int ListLength
{
get
{
return intNum;
}
}
public RecordList(FinanceRecord e)
{
pHead = null;
intNum = 0;
FinanceRecord tempNode, newNode;
newNode = new FinanceRecord(e.consumeIndex, e.consumeDate, e.consumeType, e.consumeType, e.consumeMoney, e.consumeInformation);
newNode.NextRecord = null;
intNum++;
//无头结点的链表
if (pHead == null)
{
pHead = newNode;
}
else
{
//从未赋值的tempNode知道，此时它还无.nextRecord属性
tempNode = pHead;
while (tempNode.NextRecord != null)
{
tempNode = tempNode.NextRecord;
}
tempNode.NextRecord = newNode;
}
}
}所有记录也单独写一个类，方便进行增删查改。
/// <summary>
/// 该类用于查询结果用链表保存
/// </summary>
public class FinanceLog
{
const long MaxCount = 10240000;
public FinanceRecord[] recordList = new FinanceRecord[MaxCount];
//实际记录数量
int intCount = 0;
public int recordCount
{
get { return intCount; }
}
//当前指针，以后方便利用流水号
int intCurrrent = -1;
public int selectIndex
{
get
{
return intCurrrent;
}
set
{
intCurrrent = value;
}
}
public FinanceLog()
{
intCount = 0;
}
/// <summary>
/// 功能：将文件中的每条记录读入内存，同时获取文件中记录的个数
/// 作者：余颜凯
/// 时间：2013/10/14
/// </summary>
/// <param name="FileName"></param>
/// <returns></returns>
public bool readFile(string FileName)
{
bool Tag = true;
string strLine = "";
string[] recordData;
FinanceRecord data;
try
{
StreamReader AccountFile = new StreamReader("..\\..\\Properties\\accountBook" + FileName + ".txt", Encoding.GetEncoding("gb2312"));
while (!AccountFile.EndOfStream)
{
strLine = AccountFile.ReadLine();
recordData = strLine.Split(' ');
if (strLine != "" && recordData!=null)
{
data = new FinanceRecord(recordData[0].Trim(), recordData[1].Trim(), recordData[2].Trim(), recordData[3].Trim(), recordData[4].Trim(), recordData[5].Trim());
recordList[intCount++] = data;
}
}
AccountFile.Close();
}
catch
{
Tag = false;
}
return Tag;
}
/// <summary>
/// 功能：保存内存中的记录到文件
/// 作者：余颜凯
/// 时间：2013/10/14
/// </summary>
/// <param name="FileName"></param>
/// <returns></returns>
public bool saveFile(string FileName)
{
bool Tag = true;
try
{
StreamWriter accountFile = new StreamWriter("..\\..\\Properties\\accountBook" + FileName + ".txt", false, Encoding.GetEncoding("gb2312"));
for (int i = 0; i < intCount; i++)
{
accountFile.WriteLine(recordList[i].consumeIndex.Trim() + " " + recordList[i].consumeDate.Trim() + " " +
recordList[i].consumeType.Trim() + " " + recordList[i].consumeCatagory.Trim() + " " + recordList[i].consumeMoney.Trim() + " " + recordList[i].consumeInformation.Trim());
}
accountFile.Close();
}
catch
{
Tag = false;
}
return Tag;
}
/// <summary>
/// 功能：供AddForm添加记录时调用
/// 作者：余颜凯
/// 时间：2013/10/14
/// </summary>
/// <param name="consumeIndex"></param>
/// <param name="consumeDate"></param>
/// <param name="consumeType"></param>
/// <param name="consumeCatagory"></param>
/// <param name="consumeMoney"></param>
/// <param name="consumeInformation"></param>
/// <returns></returns>
public bool Add(string consumeIndex,string consumeDate,string consumeType,string consumeCatagory,string consumeMoney,string consumeInformation)
{
bool Tag = true;
FinanceRecord fr = new FinanceRecord(consumeIndex,consumeDate,consumeType,consumeCatagory,consumeMoney,consumeInformation);
recordList[intCount++] = fr;
return Tag;
}
/// <summary>
/// 功能：供隐藏面的修改键调用
/// 作者：余颜凯
/// 时间：2013/10/14
/// </summary>
/// <param name="fr"></param>
/// <param name="consumeIndex"></param>
/// <param name="consumeDate"></param>
/// <param name="consumeType"></param>
/// <param name="consumeCatagory"></param>
/// <param name="consumeMoney"></param>
/// <param name="consumeInformation"></param>
/// <returns></returns>
public bool Update(FinanceRecord fr,string consumeIndex, string consumeDate, string consumeType, string consumeCatagory, string consumeMoney, string consumeInformation)
{
bool Tag = true;
for(int i = 0 ;i< intCount ; i++)
{
//消费日期,类别,收支项目，金额作为判断标准
if (recordList[i].consumeDate == fr.consumeDate && recordList[i].consumeType == fr.consumeType
&& recordList[i].consumeCatagory == fr.consumeCatagory && recordList[i].consumeMoney == fr.consumeMoney)
{
FinanceRecord fr1 = new FinanceRecord(consumeIndex, consumeDate, consumeType, consumeCatagory, consumeMoney, consumeInformation);
recordList[i] = fr1;
Tag = true;
break;
}
else
{
Tag = false;
}
}
return Tag;
}
//查找和删除要考虑效率所以使用了 链表
/// <summary>
/// 功能：保存查找到的记录
/// 作者：余颜凯
/// 时间：2013/10/14
/// </summary>
}注册：
//用来保存登陆窗口，便于跨窗口传送数据
public LoginForm lg;
private void btnRegister_Click(object sender, EventArgs e)
{
bool isNotEmpty = CheckEmpty();
//如果能通过检查，
if (isNotEmpty == true)
{
if (getResist() == true)
{
MessageBox.Show("用户已经注册，请重新输入用户名!");
textName.SelectAll();
textName.Focus();
}
else
{
//在users.txt末尾添加记录
User data = new User(textName.Text.Trim(),textPassword.Text.Trim(),"0");
Users u = new Users();
//先读一遍文件是为了获取当前总用户的数量
u.readFile();
if (u.Add(data) == true)
{
//用户总数量知道后，先用Add()把新注册的用户加入当先用户类型的数组
//之后就存盘即可
u.saveFile();
MessageBox.Show("成功注册了一个用户");
lg.getUserName(textName.Text.Trim());
//lg.savePassword();
this.Close();
}
else
{
MessageBox.Show("由于文件原因，注册失败！");
}
}
}
}
/// <summary>
/// 功能：检验是否已经注册
/// 时间：2013/9/21,2013/10/14
/// 作者：余颜凯
/// </summary>
/// <returns></returns>
public bool getResist()
{
bool isRegist = false;
Users users = new Users();
users.readFile();
for (int i = 0; i < users.userCount; i++)
{
if (users.userList[i].userName == textName.Text.Trim())
{
isRegist = true;
}
}
return isRegist;
}
/// <summary>
/// 功能：判断注册页面文本框是否为空
/// 时间：2013/9/15
/// 作者：余颜凯
/// </summary>
/// <returns></returns>
private bool CheckEmpty()
{
//默认为不为空
bool result = true;
if (textName.Text.Trim() == String.Empty)
{
labelNameError.Visible = true;
result= false;
}
else
{
labelNameError.Visible = false;
}
if (textPassword.Text.Trim() == String.Empty)
{
labelPasswordError.Visible = true;
result= false;
}
else
{
labelPasswordError.Visible = false;
}
if (textConfirmPassword.Text.Trim() == String.Empty)
{
labelConfirmError.Visible = true;
result= false;
}
else
{
//验证密码不为空,但是又不相同
if (textPassword.Text.Trim() != textConfirmPassword.Text.Trim())
{
//MessageBox.Show("两次输入的密码不一致");
labelConfirmError.Text = " 两次密码不同";
labelConfirmError.Visible = true;
result = false;
}
else
{
//labelConfirmError.Text = " 密码不能为空";
labelConfirmError.Visible = false;
}
}
return result;
}管理注册用户，以及进行登录验证：单独写一个Users类
public class User
{
public string userName;
public string userPassword;
public string Tag = "0";
public User(string userName,string userPassword,string Tag)
{
this.userName = userName;
this.userPassword = userPassword;
this.Tag = Tag;
}
}
public class Users
{
//最多读取1024条数据,最多1024个用户
const int MaxCount = 1024;
public User[] userList = new User[MaxCount];
//用户数量
int intCount = 0;
public int userCount
{
get
{
return intCount;
}
}
public Users()
{
intCount = 0;
}
public bool readFile()
{
bool Tag = true;
string strLine = "";
string[] lstData;
User userData;
try
{
StreamReader userFile = new StreamReader("..\\..\\Properties\\users.txt", Encoding.Default);
while (!userFile.EndOfStream)
{
strLine = userFile.ReadLine();
lstData = strLine.Split(' ');
if (lstData.Length == 3)
{
userData = new User(lstData[0], lstData[1], lstData[2]);
userList[intCount++] = userData;
}
}
userFile.Close();
}
catch
{
Tag = false;
}
return Tag;
}
//注册用户添加记录
public bool Add(User data)
{
bool Tag = true;
//用户名作为唯一标示
for (int i = 0; i < intCount; i++)
{
if (userList[i].userName == data.userName)
{
Tag = false;
break;
}
if (Tag)
{
userList[intCount] = data;
}
}
intCount++;
return Tag;
}
public bool saveFile()
{
bool Tag = true;
try
{
StreamWriter userFile = new StreamWriter("..\\..\\Properties\\users.txt");
for (int i = 0; i < intCount; i++)
{
userFile.WriteLine(userList[i].userName + " " + userList[i].userPassword
+ " " + userList[i].Tag.Trim());
}
userFile.Close();
}
catch
{
Tag = false;
}
return Tag;
}
}主界面上的增删查改：
删除：
if (dataViewControl.SelectedRows.Count != 0)
{
//先把数据读入链表：
//多次debug，能读入链表
string strLine = "";
FinanceRecord pHead = null,tempNode, newNode;;
int intNum = 0;//记录数
string[] recordData;
FinanceRecord data;
try
{
StreamReader AccountFile = new StreamReader("..\\..\\Properties\\accountBook" + "\\aa" + ".txt", Encoding.GetEncoding("gb2312"));
while (!AccountFile.EndOfStream)
{
strLine = AccountFile.ReadLine();
recordData = strLine.Split(' ');
if (strLine != "" && recordData != null)
{
data = new FinanceRecord(recordData[0].Trim(), recordData[1].Trim(), recordData[2].Trim(), recordData[3].Trim(), recordData[4].Trim(), recordData[5].Trim());
newNode = new FinanceRecord(data.consumeIndex, data.consumeDate,data.consumeType,
data.consumeCatagory, data.consumeMoney, data.consumeInformation);
newNode.NextRecord = null;
intNum++;
//无头结点的链表
if (pHead == null)
{
pHead = newNode;
}
else
{
//从未赋值的tempNode知道，此时它还无.nextRecord属性
tempNode = pHead;
while (tempNode.NextRecord != null)
{
tempNode = tempNode.NextRecord;
}
tempNode.NextRecord = newNode;
}
}
}
AccountFile.Close();
}
catch
{
MessageBox.Show("Something Wrong Happens", "温馨提示");
}
//上面已经完成了读入工作，intNum是数据的总量,pHead头结点(不是头指针)
//temp保存上一节点，lst不停往下寻找
bool tag = false;//用来标记删除是否成功
FinanceRecord lst,temp=null;
lst = pHead;
while (lst!= null)
{
//下面这条语是为了调试过程中测试是否读取了全部得数据
//MessageBox.Show(lst.consumeDate);
//下面这个算法并不适合删除头结点，所以必须先处理头结点！
bool b0 = (dataViewControl.SelectedRows[0].Cells[1].Value.ToString().Trim().Equals(pHead.consumeDate.ToString()))
&& (dataViewControl.SelectedRows[0].Cells[2].Value.ToString().Trim().Equals(pHead.consumeType.ToString()))
&& (dataViewControl.SelectedRows[0].Cells[3].Value.ToString().Trim().Equals(pHead.consumeCatagory.ToString()))
&& (dataViewControl.SelectedRows[0].Cells[4].Value.ToString().Trim().Equals(pHead.consumeMoney.ToString()));
if (b0)
{
lst = pHead.NextRecord;
pHead = lst;
tag = true;
break;
}
//找到就在链表里先进行删除，没找到就继续找
bool b1 = (dataViewControl.SelectedRows[0].Cells[1].Value.ToString().Trim().Equals(lst.consumeDate.ToString()))
&& (dataViewControl.SelectedRows[0].Cells[2].Value.ToString().Trim().Equals(lst.consumeType.ToString()))
&& (dataViewControl.SelectedRows[0].Cells[3].Value.ToString().Trim().Equals(lst.consumeCatagory.ToString()))
&& (dataViewControl.SelectedRows[0].Cells[4].Value.ToString().Trim().Equals(lst.consumeMoney.ToString()));
if (b1)
{
temp.NextRecord = temp.NextRecord.NextRecord;
tag = true;
break;
}
temp = lst;
lst = lst.NextRecord;
}
//用来检验删除操作后，整个链表是否正常，用头结点判断就好了
//MessageBox.Show(pHead.consumeDate);
//之后进行简单的遍历方式写入文件就好
FinanceRecord round=pHead;
try
{
StreamWriter accountFile1 = new StreamWriter("..\\..\\Properties\\accountBook" + "\\aa" + ".txt", false, Encoding.GetEncoding("gb2312"));
for (int i = 0; i < intNum-1; i++)
{
accountFile1.WriteLine(round.consumeIndex.Trim() + " " + round.consumeDate.Trim() + " " +
round.consumeType.Trim() + " " + round.consumeCatagory.Trim() + " " + round.consumeMoney.Trim() + " " + round.consumeInformation.Trim());
round = round.NextRecord;
}
accountFile1.Close();
}
catch
{
MessageBox.Show("Something Wrong Happens","温馨提示");
}
//在进行删除操作：
if (tag == true)
{
MessageBox.Show("删除成功");
//但是dataGridView并没有刷新显示
showTotalMoney();
GetGridviewAll();
}
else
{
MessageBox.Show("删除失败");
}
}主界面上的其他功能：修改（更新），添加（插入），查询：
private void MainForm_Load(object sender, EventArgs e)
{
// TODO: 这行代码将数据加载到表“financeProjectDataSet.Consume”中，可以根据需要移动或删除它。
//this.consumeTableAdapter.Fill(this.financeProjectDataSet.Consume);
GetGridviewAll();
comboBoxSort.SelectedIndex = 0;
comboBoxDir.SelectedIndex = 0;
//取消默认选中第一行
dataViewControl.ClearSelection();
//隐藏面板的
//开始的时候让底部面板隐藏
panelEdit.Visible = false;
this.btnHide.Location = new Point(this.btnHide.Location.X, this.btnHide.Location.Y - 134);
this.Size = new Size(this.Width, 533);
comboBoxLei.SelectedIndex = 0;
comboBoxItem.SelectedIndex = 0;
//加载消费条目时间
for (int i = 1992; i < 2092; i++)
{
comboBoxDateYear.Items.Add(i.ToString());
}
for (int i = 1; i <= 12; i++)
{
comboBoxDateMonth.Items.Add(i.ToString());
}
comboBoxDateYear.SelectedIndex = 0;
comboBoxDateMonth.SelectedIndex = 0;
//comboBoxDate.Items.Add("1");
//comboBoxDateMonth.SelectedIndex = 0;
//for (int i = 1; i <= 31; i++)
//{
// comboBoxDate.Items.Add(i.ToString());
//}
showTotalMoney();
btnDelete.Enabled = false;
}
/// <summary>
/// 功能：显示当前的时间
/// 时间：2013/9/16
/// 作者：余颜凯
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void timeDate_Tick(object sender, EventArgs e)
{
DateTime dt = DateTime.Now;
String date = dt.ToLongDateString();
String time = dt.ToLongTimeString();
labelTime.Text = date + time;
}
/// <summary>
/// 功能：隐藏或者显示底部编辑框架
/// 时间：2013/9/20
/// 作者：余颜凯
/// 补充：后来又将此函数的功能单独写成一个函数了
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void btnHide_Click(object sender, EventArgs e)
{
//667
//134
//if (this.Size.Height == 667)//之前是展开的窗口，点该按钮后变成收起状态
//{
// this.Size = new Size(this.Width, 533);
// panelEdit.Visible = false;
// this.btnHide.Location = new Point(this.btnHide.Location.X, this.btnHide.Location.Y - 134);
// this.btnHide.Text = "详细信息";
//}
//else
//{
// this.Size = new Size(this.Width, 667);
// panelEdit.Visible = true;
// this.btnHide.Text = "收起信息";
// this.btnHide.Location = new Point(this.btnHide.Location.X, this.btnHide.Location.Y + 134);
//}
//上面代码已经被浓缩成函数（方便重用）
//默认的时候是隐藏的,即该按钮的文字是"详细信息"
if (btnHide.Text == "详细信息")
{
hidePanel(false);
}
else
hidePanel(true);
}
/// <summary>
/// 功能：隐藏窗口
/// 时间：2013/9/21
/// 作者：余颜凯
/// </summary>
private bool hidePanel(bool hide)
{
//传入的hide如果为true表明是要隐藏现在这个窗口
if (hide == true)
{
this.Size = new Size(this.Width, 533);
panelEdit.Visible = false;
this.btnHide.Location = new Point(this.btnHide.Location.X, this.btnHide.Location.Y - 134);
this.btnHide.Text = "详细信息";
panelEdit.Enabled = false;
}
else
{
this.Size = new Size(this.Width, 667);
panelEdit.Visible = true;
this.btnHide.Text = "收起信息";
this.btnHide.Location = new Point(this.btnHide.Location.X, this.btnHide.Location.Y + 134);
return false;
}
return true;
}
/// <summary>
/// 功能：低端下拉窗口的修改
/// 时间：2013/9/20
/// 作者：余颜凯
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void btnEdit_Click(object sender, EventArgs e)
{
string date = comboBoxDateYear.Text.Trim() + "/" + comboBoxDateMonth.Text.Trim() + "/" + comboBoxDate.Text.Trim();
FinanceLog log = new FinanceLog();
log.readFile("//aa");
//保存当前选中中项目
FinanceRecord fr;
//保存以作判断，便于找到要修改的元素
fr = new FinanceRecord("0", dataViewControl.SelectedRows[0].Cells[1].Value.ToString().Trim(), dataViewControl.SelectedRows[0].Cells[2].Value.ToString().Trim(),
dataViewControl.SelectedRows[0].Cells[3].Value.ToString().Trim(), dataViewControl.SelectedRows[0].Cells[4].Value.ToString().Trim(),
dataViewControl.SelectedRows[0].Cells[5].Value.ToString().Trim());
//更新该元素
bool bl = log.Update(fr, "0", date.Trim(), comboBoxLei.Text.Trim(), comboBoxItem.Text.Trim(), textBoxJin.Text.Trim(), textBoxDescription.Text.Trim());
if (bl == true)
{
log.saveFile("//aa");
MessageBox.Show("更新成功", "温馨提示");
//但是dataGridView并没有刷新显示
GetGridviewAll();
showTotalMoney();
//取消选中，是为了方便下一次修改
dataViewControl.ClearSelection();
hidePanel(true);
}
else
{
MessageBox.Show("更新失败!(这种情况基本排除，所以不做过多处理)");
}
}
/// <summary>
/// 功能：在下拉框中显示选中的详细信息
/// 时间：2013/9/20
/// 作者：余颜凯
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void dataViewControl_CellClick(object sender, DataGridViewCellEventArgs e)
{
btnDelete.Enabled = true;
toolStripButtonDelete.Enabled = true;
//将隐藏框里的文字和图片换掉
labelItemSelected.Text = "已选中一条记录";
//显示图像
//1.尝试失败
//pictureBoxItemSelected.BackgroundImage.Dispose();
pictureBoxItemSelected.SizeMode = PictureBoxSizeMode.StretchImage;
//pictureBoxItemSelected.BackgroundImage = System.Drawing.Image.FromFile(AppDomain.CurrentDomain.BaseDirectory+"..\\..\\p_w_picpaths\\ItemSelected.png");
pictureBoxItemSelected.Load(AppDomain.CurrentDomain.BaseDirectory + "..\\..\\p_w_picpaths\\ItemSelected.png");
//在隐藏面板中显示选中行的信息
//流水号
textBoxLiu.Text = dataViewControl.SelectedRows[0].Cells[0].Value.ToString();
//日期
string actDate = dataViewControl.SelectedRows[0].Cells[1].Value.ToString();
//在dataView中显示的是1999/9/9 （获取的格式也是这样）
//分离出 年、月、日
DateTime dt = Convert.ToDateTime(actDate);
//对于combox的显示项目，可以用Item.
comboBoxDateYear.Text = dt.Year.ToString().Trim();
comboBoxDateMonth.Text = dt.Month.ToString().Trim();
comboBoxDate.Text = dt.Day.ToString().Trim();
//选择收入还是支出
if ("收入" == dataViewControl.SelectedRows[0].Cells[2].Value.ToString().Trim())
{
comboBoxLei.SelectedIndex = 0;
}
else comboBoxLei.SelectedIndex = 1;
//收支项目，多次测验发现，必须写已有的固定项目，才能正确显现
comboBoxItem.SelectedItem = dataViewControl.SelectedRows[0].Cells[3].Value.ToString().Trim();
//金额
textBoxJin.Text = dataViewControl.SelectedRows[0].Cells[4].Value.ToString().Trim();
//作为收支项目的补充
textBoxDescription.Text = dataViewControl.SelectedRows[0].Cells[5].Value.ToString().Trim();
}
/// <summary>
/// 功能：选中收入还是支出的时候给出相应的项目变化
/// 时间：2012/9/20
/// 作者：余颜凯
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void comboBoxLei_SelectedIndexChanged(object sender, EventArgs e)
{
if (comboBoxLei.SelectedIndex == 0)//选中的为收入
{
comboBoxItem.Items.Clear();//清空收入
comboBoxItem.Items.Add("兼职");
comboBoxItem.Items.Add("银行利息");
comboBoxItem.Items.Add("基金收益");
comboBoxItem.Items.Add("奖学金");
comboBoxItem.Items.Add("其他收入");
}
else //如果选中为支出
{
comboBoxItem.Items.Clear();
comboBoxItem.Items.Add("娱乐");
comboBoxItem.Items.Add("吃饭");
comboBoxItem.Items.Add("学习");
comboBoxItem.Items.Add("购物");
}
comboBoxItem.SelectedIndex = 0;
}
/// <summary>
/// 功能：获得总的收入和支出
/// 时间：2013/9/20,2013/10/14
/// 作者：余颜凯
/// </summary>
/// <param name="type"></param>
/// <returns></returns>
private double getTotalMoney(string type)
{
double total = 0;
double temp;
FinanceLog log = new FinanceLog();
log.readFile("\\aa");
for (int i = 0; i < log.recordCount; i++)
{
if (type == "收入" && log.recordList[i].consumeType == "收入")
{
temp = System.Convert.ToDouble(log.recordList[i].consumeMoney);
total += temp;
}
if (type == "支出" && log.recordList[i].consumeType == "支出")
{
temp = System.Convert.ToDouble(log.recordList[i].consumeMoney);
total += temp;
};
}
return total;
}
/// <summary>
/// 功能：主界面上总金额显示功能打包，方便其他类重用
/// 时间：2013/9/21,2013/10/14
/// 作者：余颜凯
/// </summary>
public void showTotalMoney()
{
double income = 0, consume = 0;
consume = getTotalMoney("支出");
income = getTotalMoney("收入");
textBoxIn.Text = income.ToString();
textBoxOut.Text = consume.ToString();
textBoxAll.Text = (income - consume).ToString();
if ((income - consume) >= 0)
{
textBoxAll.ForeColor = System.Drawing.Color.Lime;
}
else
textBoxAll.ForeColor = System.Drawing.Color.Red;
}
/// <summary>
/// 功能：将刷新dataView的功能封装
/// 时间:2013/9/21,,2013/10/14
/// 作者：余颜凯
/// </summary>
public void GetGridviewAll()
{
FinanceLog log = new FinanceLog();
//string nn = lg.userNameForAccountFile();
bool a = log.readFile("\\aa");
DataSet ds = new DataSet();
DataTable dt = new DataTable();
string[] hh = new string[] { "流水号", "消费日期", "类别", "收支项目", "金额", "备注" };
DataColumn[] columns = new DataColumn[6];
DataRow[] rows = new DataRow[log.recordCount];
for (int i = 0; i < 6; i++)
{
columns[i] = new DataColumn(hh[i], typeof(string));
dt.Columns.Add(columns[i]);
}
for (int j = 0; j < log.recordCount; j++)
{
rows[j] = dt.NewRow();
rows[j][0] = log.recordList[j].consumeIndex;
rows[j][1] = log.recordList[j].consumeDate;
rows[j][2] = log.recordList[j].consumeType;
rows[j][3] = log.recordList[j].consumeCatagory;
rows[j][4] = log.recordList[j].consumeMoney;
rows[j][5] = log.recordList[j].consumeInformation;
dt.Rows.Add(rows[j]);
}
//this.financeProjectDataSet.Tables.Add(dt);
ds.Tables.Add(dt);
dataViewControl.DataSource = ds.Tables[0];
//取消默认选中第一行
dataViewControl.ClearSelection();
//把删除键设为不可用
btnDelete.Enabled = false;
toolStripButtonDelete.Enabled = false;
}
/// <summary>
/// 功能：根据类型查询，把查询到的结果放入链表（因为能查询多少个数量未知）
/// 后来发现用链表实现存在一个问题，所以采用了一个简单处理，和数据库子查询中查到一条添加一条原理一样
///
/// 作者：余颜凯
/// 时间：2013/10/16
/// </summary>
/// <param name="search"></param>
public void SearchData(string search)
{
//思想 改变dataViewControl的DataSource即可
FinanceLog log = new FinanceLog();
//string nn = lg.userNameForAccountFile();
bool a = log.readFile("\\aa");
//records = new RecordList();
//现在找到的数据全部在records中
DataSet ds = new DataSet();
DataTable dt = new DataTable();
string[] hh = new string[] { "流水号", "消费日期", "类别", "收支项目", "金额", "备注" };
//dataViewControl.Columns.Add();
DataColumn[] columns = new DataColumn[6];
DataRow[] rows = new DataRow[log.recordCount];
for (int i = 0; i < 6; i++)
{
columns[i] = new DataColumn(hh[i], typeof(string));
dt.Columns.Add(columns[i]);
}
int ss = 1;
for (int i = 0; i < log.recordCount; i++)
{
if (search == "收入")
{
if (log.recordList[i].consumeType == "收入")
{
rows[ss] = dt.NewRow();
rows[ss][0] = log.recordList[i].consumeIndex;
rows[ss][1] = log.recordList[i].consumeDate;
rows[ss][2] = log.recordList[i].consumeType;
rows[ss][3] = log.recordList[i].consumeCatagory;
rows[ss][4] = log.recordList[i].consumeMoney;
rows[ss][5] = log.recordList[i].consumeInformation;
dt.Rows.Add(rows[ss]);
ss++;
}
}
else
{
if (log.recordList[i].consumeType == "支出")
{
rows[ss] = dt.NewRow();
rows[ss][0] = log.recordList[i].consumeIndex;
rows[ss][1] = log.recordList[i].consumeDate;
rows[ss][2] = log.recordList[i].consumeType;
rows[ss][3] = log.recordList[i].consumeCatagory;
rows[ss][4] = log.recordList[i].consumeMoney;
rows[ss][5] = log.recordList[i].consumeInformation;
dt.Rows.Add(rows[ss]);
ss++;
}
}
}
ds.Tables.Add(dt);
dataViewControl.DataSource = ds.Tables[0];
//取消默认选中第一行
dataViewControl.ClearSelection();
//把删除键设为不可用
btnDelete.Enabled = false;
toolStripButtonDelete.Enabled = false;
}
private void MainForm_FormClosing(object sender, FormClosingEventArgs e)
{
//在关闭子窗口的同时还要关闭父窗口
//并且还要给出关闭子窗口的确认确认
DialogResult result = MessageBox.Show("请是否确认是否要退出系统！", "提示", MessageBoxButtons.OKCancel, MessageBoxIcon.Warning);
while (result == DialogResult.OK)
{
this.Dispose();
Application.Exit();
}
{
e.Cancel = true;
}
}
//已修复---bug1:每一次增删查找后，就要对总收入，总支出，净收入进行重新计算
/// <summary>
/// 不选中条目，按钮被提醒
/// 该按钮只负责激活 修改面板和面板上的选项
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void btnUpdate_Click(object sender, EventArgs e)
{
//先选中条目记录,然后才谈修改不修改的问题
if (dataViewControl.SelectedRows.Count != 0)
{
//并且面板先前得是关闭的
if (this.Size.Height == 533)
{
//要修改必须先打开下面的操作条目面板
hidePanel(false);
//每点一次这个修改按钮，那个"详细信息"按钮下移一次,功能不对
}
this.panelEdit.Enabled = true;
}
else
{
MessageBox.Show("请您先选中一条记录，再来修改", "温馨提示");
}
}
private void btnInsert_Click(object sender, EventArgs e)
{
AddForm addForm = new AddForm();
addForm.mf = this;
addForm.ShowDialog();
}
/// <summary>
/// 换一钟写法：不选中项目，按钮不可用
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void btnDelete_Click(object sender, EventArgs e)
{
if (dataViewControl.SelectedRows.Count != 0)
{
//先把数据读入链表：
//多次debug，能读入链表
string strLine = "";
FinanceRecord pHead = null,tempNode, newNode;;
int intNum = 0;//记录数
string[] recordData;
FinanceRecord data;
try
{
StreamReader AccountFile = new StreamReader("..\\..\\Properties\\accountBook" + "\\aa" + ".txt", Encoding.GetEncoding("gb2312"));
while (!AccountFile.EndOfStream)
{
strLine = AccountFile.ReadLine();
recordData = strLine.Split(' ');
if (strLine != "" && recordData != null)
{
data = new FinanceRecord(recordData[0].Trim(), recordData[1].Trim(), recordData[2].Trim(), recordData[3].Trim(), recordData[4].Trim(), recordData[5].Trim());
newNode = new FinanceRecord(data.consumeIndex, data.consumeDate,data.consumeType,
data.consumeCatagory, data.consumeMoney, data.consumeInformation);
newNode.NextRecord = null;
intNum++;
//无头结点的链表
if (pHead == null)
{
pHead = newNode;
}
else
{
//从未赋值的tempNode知道，此时它还无.nextRecord属性
tempNode = pHead;
while (tempNode.NextRecord != null)
{
tempNode = tempNode.NextRecord;
}
tempNode.NextRecord = newNode;
}
}
}
AccountFile.Close();
}
catch
{
MessageBox.Show("Something Wrong Happens", "温馨提示");
}
//上面已经完成了读入工作，intNum是数据的总量,pHead头结点(不是头指针)
//temp保存上一节点，lst不停往下寻找
bool tag = false;//用来标记删除是否成功
FinanceRecord lst,temp=null;
lst = pHead;
while (lst!= null)
{
//下面这条语是为了调试过程中测试是否读取了全部得数据
//MessageBox.Show(lst.consumeDate);
//下面这个算法并不适合删除头结点，所以必须先处理头结点！
bool b0 = (dataViewControl.SelectedRows[0].Cells[1].Value.ToString().Trim().Equals(pHead.consumeDate.ToString()))
&& (dataViewControl.SelectedRows[0].Cells[2].Value.ToString().Trim().Equals(pHead.consumeType.ToString()))
&& (dataViewControl.SelectedRows[0].Cells[3].Value.ToString().Trim().Equals(pHead.consumeCatagory.ToString()))
&& (dataViewControl.SelectedRows[0].Cells[4].Value.ToString().Trim().Equals(pHead.consumeMoney.ToString()));
if (b0)
{
lst = pHead.NextRecord;
pHead = lst;
tag = true;
break;
}
//找到就在链表里先进行删除，没找到就继续找
bool b1 = (dataViewControl.SelectedRows[0].Cells[1].Value.ToString().Trim().Equals(lst.consumeDate.ToString()))
&& (dataViewControl.SelectedRows[0].Cells[2].Value.ToString().Trim().Equals(lst.consumeType.ToString()))
&& (dataViewControl.SelectedRows[0].Cells[3].Value.ToString().Trim().Equals(lst.consumeCatagory.ToString()))
&& (dataViewControl.SelectedRows[0].Cells[4].Value.ToString().Trim().Equals(lst.consumeMoney.ToString()));
if (b1)
{
temp.NextRecord = temp.NextRecord.NextRecord;
tag = true;
break;
}
temp = lst;
lst = lst.NextRecord;
}
//用来检验删除操作后，整个链表是否正常，用头结点判断就好了
//MessageBox.Show(pHead.consumeDate);
//之后进行简单的遍历方式写入文件就好
FinanceRecord round=pHead;
try
{
StreamWriter accountFile1 = new StreamWriter("..\\..\\Properties\\accountBook" + "\\aa" + ".txt", false, Encoding.GetEncoding("gb2312"));
for (int i = 0; i < intNum-1; i++)
{
accountFile1.WriteLine(round.consumeIndex.Trim() + " " + round.consumeDate.Trim() + " " +
round.consumeType.Trim() + " " + round.consumeCatagory.Trim() + " " + round.consumeMoney.Trim() + " " + round.consumeInformation.Trim());
round = round.NextRecord;
}
accountFile1.Close();
}
catch
{
MessageBox.Show("Something Wrong Happens","温馨提示");
}
//在进行删除操作：
if (tag == true)
{
MessageBox.Show("删除成功");
//但是dataGridView并没有刷新显示
showTotalMoney();
GetGridviewAll();
}
else
{
MessageBox.Show("删除失败");
}
}
}
private void btnFind_Click(object sender, EventArgs e)
{
SearchForm searchForm = new SearchForm();
searchForm.mf = this;
searchForm.ShowDialog();
}
/// <summary>
/// 功能：菜单栏上的关于作者
/// 时间：2013/9/23
/// 作者: 余颜凯
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void ToolStripMenuItem1_Click(object sender, EventArgs e)
{
AboutAuthor ab = new AboutAuthor();
ab.ShowDialog();
}
/// <summary>
/// 功能：菜单栏上的帮助里面的关于程序
/// 时间：2013/9/23
/// 作者：余颜凯
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void ToolStripMenuItem2_Click(object sender, EventArgs e)
{
MessageBox.Show(" 本程序是建立在北风网一个老师的C#家庭理财系统的基础上，仿制而成。"
+ "那个程序那老师并没有写完，并且也存在很多不合理和有问题的地方，按照他所讲的，进行了完善，补充，写出了本程序。"
+ "\n\n 虽然没有太多的原创新，不过在本次独立完成程序的过程中收获也是颇丰."
+ "\n\n 我并不在乎老师给我多少分儿， 我比较在意，老师拿什么眼光看我这样的行为，"
+ "或者说看修改老师代码或者照着参考书敲程序的孩子。\n\n 最后，感谢很多人，很多事儿，我讨厌啰嗦，不说了。", "程序说明");
}
private void ToolStripMenuItemImport_Click(object sender, EventArgs e)
{
}
private void ToolStripMenuItemExport_Click(object sender, EventArgs e)
{
}
/// <summary>
/// 功能：菜单栏上的退出
/// 时间：2013/9/23
/// 作者：余颜凯
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void ToolStripMenuItemQuit_Click(object sender, EventArgs e)
{
this.Dispose();
Application.Exit();
}
/// <summary>
/// 功能：工具栏上的关于作者
/// 时间：2013/9/23
/// 作者：余颜凯
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void toolStripButton2_Click(object sender, EventArgs e)
{
AboutAuthor ab = new AboutAuthor();
ab.ShowDialog();
}
/// <summary>
/// 功能：工具栏上的增加按钮
/// 时间：2013/9/23
/// 作者：余颜凯
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void toolStripButtonAdd_Click(object sender, EventArgs e)
{
AddForm addForm = new AddForm();
addForm.mf = this;
addForm.ShowDialog();
}
/// <summary>
/// 工具栏上的查找
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void toolStripButtonsearch_Click(object sender, EventArgs e)
{
SearchForm searchForm = new SearchForm();
searchForm.mf = this;
searchForm.ShowDialog();
}
/// <summary>
/// 功能：工具栏上的删除键
/// 时间：2013/9/23
/// 作者:余颜凯
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void toolStripButtonDelete_Click(object sender, EventArgs e)
{
if (dataViewControl.SelectedRows.Count != 0)
{
//先把数据读入链表：
//多次debug，能读入链表
string strLine = "";
FinanceRecord pHead = null, tempNode, newNode; ;
int intNum = 0;//记录数
string[] recordData;
FinanceRecord data;
try
{
StreamReader AccountFile = new StreamReader("..\\..\\Properties\\accountBook" + "\\aa" + ".txt", Encoding.GetEncoding("gb2312"));
while (!AccountFile.EndOfStream)
{
strLine = AccountFile.ReadLine();
recordData = strLine.Split(' ');
if (strLine != "" && recordData != null)
{
data = new FinanceRecord(recordData[0].Trim(), recordData[1].Trim(), recordData[2].Trim(), recordData[3].Trim(), recordData[4].Trim(), recordData[5].Trim());
newNode = new FinanceRecord(data.consumeIndex, data.consumeDate, data.consumeType,
data.consumeCatagory, data.consumeMoney, data.consumeInformation);
newNode.NextRecord = null;
intNum++;
//无头结点的链表
if (pHead == null)
{
pHead = newNode;
}
else
{
//从未赋值的tempNode知道，此时它还无.nextRecord属性
tempNode = pHead;
while (tempNode.NextRecord != null)
{
tempNode = tempNode.NextRecord;
}
tempNode.NextRecord = newNode;
}
}
}
AccountFile.Close();
}
catch
{
MessageBox.Show("Something Wrong Happens", "温馨提示");
}
//上面已经完成了读入工作，intNum是数据的总量,pHead头结点(不是头指针)
//temp保存上一节点，lst不停往下寻找
bool tag = false;//用来标记删除是否成功
FinanceRecord lst, temp = null;
lst = pHead;
while (lst != null)
{
//下面这条语是为了调试过程中测试是否读取了全部得数据
//MessageBox.Show(lst.consumeDate);
//下面这个算法并不适合删除头结点，所以必须先处理头结点！
bool b0 = (dataViewControl.SelectedRows[0].Cells[1].Value.ToString().Trim().Equals(pHead.consumeDate.ToString()))
&& (dataViewControl.SelectedRows[0].Cells[2].Value.ToString().Trim().Equals(pHead.consumeType.ToString()))
&& (dataViewControl.SelectedRows[0].Cells[3].Value.ToString().Trim().Equals(pHead.consumeCatagory.ToString()))
&& (dataViewControl.SelectedRows[0].Cells[4].Value.ToString().Trim().Equals(pHead.consumeMoney.ToString()));
if (b0)
{
lst = pHead.NextRecord;
pHead = lst;
tag = true;
break;
}
//找到就在链表里先进行删除，没找到就继续找
bool b1 = (dataViewControl.SelectedRows[0].Cells[1].Value.ToString().Trim().Equals(lst.consumeDate.ToString()))
&& (dataViewControl.SelectedRows[0].Cells[2].Value.ToString().Trim().Equals(lst.consumeType.ToString()))
&& (dataViewControl.SelectedRows[0].Cells[3].Value.ToString().Trim().Equals(lst.consumeCatagory.ToString()))
&& (dataViewControl.SelectedRows[0].Cells[4].Value.ToString().Trim().Equals(lst.consumeMoney.ToString()));
if (b1)
{
temp.NextRecord = temp.NextRecord.NextRecord;
tag = true;
break;
}
temp = lst;
lst = lst.NextRecord;
}
//用来检验删除操作后，整个链表是否正常，用头结点判断就好了
//MessageBox.Show(pHead.consumeDate);
//之后进行简单的遍历方式写入文件就好
FinanceRecord round = pHead;
try
{
StreamWriter accountFile1 = new StreamWriter("..\\..\\Properties\\accountBook" + "\\aa" + ".txt", false, Encoding.GetEncoding("gb2312"));
for (int i = 0; i < intNum - 1; i++)
{
accountFile1.WriteLine(round.consumeIndex.Trim() + " " + round.consumeDate.Trim() + " " +
round.consumeType.Trim() + " " + round.consumeCatagory.Trim() + " " + round.consumeMoney.Trim() + " " + round.consumeInformation.Trim());
round = round.NextRecord;
}
accountFile1.Close();
}
catch
{
MessageBox.Show("Something Wrong Happens", "温馨提示");
}
//在进行删除操作：
if (tag == true)
{
MessageBox.Show("删除成功");
//但是dataGridView并没有刷新显示
showTotalMoney();
GetGridviewAll();
}
else
{
MessageBox.Show("删除失败");
}
}
}
/// <summary>
/// 功能：工具栏上的修改按钮
/// 时间：2013/9/23
/// 作者：余颜凯
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void toolStripButtonUpdate_Click(object sender, EventArgs e)
{
//先选中条目记录,然后才谈修改不修改的问题
if (dataViewControl.SelectedRows.Count != 0)
{
//并且面板先前得是关闭的
if (this.Size.Height == 533)
{
//要修改必须先打开下面的操作条目面板
hidePanel(false);
//每点一次这个修改按钮，那个"详细信息"按钮下移一次,功能不对
}
this.panelEdit.Enabled = true;
}
else
{
MessageBox.Show("请您先选中一条记录，再来修改", "温馨提示");
}
}
private void Version10ToolStripMenuItem_Click(object sender, EventArgs e)
{
MessageBox.Show(" 想走近路的人却走了远路。"
+ "这个版本就是在Version 1.0的基础上将所有数据库实现的操作全部换成文件+数据结构实现。"
+ "\n\n 如果我还有什么要说的，那只有一句："
+ "\n\n 按要求作答，多看老师的代码，之后独立思考。", "程序说明");
}
private void Version10ToolStripMenuItem1_Click(object sender, EventArgs e)
{
MessageBox.Show("1.新增和修改记录时，还需要一个时间合法性判断,避免出现11月31号类似的错误"
+ "\n\n2.多次查找和删除的效率优化"
+ "\n\n3.排序的实现：按日期，按类别，按收支项目"
+ "\n\n4.修改密码功能"
+ "\n\n5.流水号没有利用起来"
+ "\n\n6.没有根据用户建立自己的账本文件", "程序说明");
}
private void comboBoxDateMonth_SelectedIndexChanged(object sender, EventArgs e)
{
switch (comboBoxDateMonth.SelectedIndex)
{
case 3:
case 5:
case 8:
case 10: comboBoxDate.Items.Clear();
for (int i = 1; i <= 30; i++)
{
comboBoxDate.Items.Add(i.ToString());
}
comboBoxDate.SelectedIndex = 0;
break;
case 1:
if ((Int32.Parse(comboBoxDateYear.Text.Trim()) % 4 == 0 && Int32.Parse(comboBoxDateYear.Text.Trim()) % 100 != 0)
|| Int32.Parse(comboBoxDateYear.Text.Trim()) % 400 == 0)
{
comboBoxDate.Items.Clear();
for (int i = 1; i <= 29; i++)
{
comboBoxDate.Items.Add(i.ToString());
}
comboBoxDate.SelectedIndex = 0;
}
else
{
comboBoxDate.Items.Clear();
for (int i = 1; i <= 28; i++)
{
comboBoxDate.Items.Add(i.ToString());
}
comboBoxDate.SelectedIndex = 0;
}
; break;
case 0:
case 2:
case 4:
case 6:
case 7:
case 9:
case 11:
comboBoxDate.Items.Clear();
for (int i = 1; i <= 31; i++)
{
comboBoxDate.Items.Add(i.ToString());
}
comboBoxDate.SelectedIndex = 0;
break;
}
}
private void comboBoxDateYear_SelectedIndexChanged(object sender, EventArgs e)
{
//tag为0 表示非闰年,即正常年
int tag = 0;
if ((Int32.Parse(comboBoxDateYear.Text.Trim()) % 4 == 0 && Int32.Parse(comboBoxDateYear.Text.Trim()) % 100 != 0)
|| Int32.Parse(comboBoxDateYear.Text.Trim()) % 400 == 0)
tag = 1;
if (comboBoxDateMonth.SelectedIndex == 1)
{
if (tag == 0)
{
comboBoxDate.Items.Clear();
for (int i = 1; i <= 28; i++)
{
comboBoxDate.Items.Add(i.ToString());
}
comboBoxDate.SelectedIndex = 0;
}
else
{
comboBoxDate.Items.Clear();
for (int i = 1; i <= 29; i++)
{
comboBoxDate.Items.Add(i.ToString());
}
comboBoxDate.SelectedIndex = 0;
}
}
}
}AddFor如下：
public LoginForm lg;
//保留主菜单
public MainForm mf;
private void AddForm_Load(object sender, EventArgs e)
{
comboBoxLei.SelectedIndex = 0;
comboBoxItem.SelectedIndex = 0;
//加载消费条目时间
for (int i = 1992; i < 2092; i++)
{
comboBoxDateYear.Items.Add(i.ToString());
}
for (int i = 1; i <= 12; i++)
{
comboBoxDateMonth.Items.Add(i.ToString());
}
//for (int i = 1; i <= 31; i++)
//{
// comboBoxDate.Items.Add(i.ToString());
//}
}
private void comboBoxLei_SelectedIndexChanged(object sender, EventArgs e)
{
if (comboBoxLei.SelectedIndex == 0)//选中的为收入
{
comboBoxItem.Items.Clear();//清空收入
comboBoxItem.Items.Add("兼职");
comboBoxItem.Items.Add("银行利息");
comboBoxItem.Items.Add("基金收益");
comboBoxItem.Items.Add("奖学金");
comboBoxItem.Items.Add("其他收入");
}
else //如果选中为支出
{
comboBoxItem.Items.Clear();
comboBoxItem.Items.Add("娱乐");
comboBoxItem.Items.Add("吃饭");
comboBoxItem.Items.Add("学习");
comboBoxItem.Items.Add("购物");
}
comboBoxItem.SelectedIndex = 0;
}
/// <summary>
/// 功能：添加新收支记录
/// 时间：2013/9/21,2013/10/15
/// 作者：余颜凯
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void btnAdd_Click(object sender, EventArgs e)
{
//解决3件事儿:1.数据库，2.dataGridView 3.totalmoney
bool isNull = IsNotNull();//判断是否为空
if (isNull)
{
string date = comboBoxDateYear.Text.Trim() + "/" + comboBoxDateMonth.Text.Trim() + "/" + comboBoxDate.Text.Trim();
FinanceLog log = new FinanceLog();
log.readFile("//aa");
log.Add("5", date.Trim(), comboBoxLei.Text.Trim(), comboBoxItem.Text.Trim(), textBoxJin.Text.Trim(), textBoxDescription.Text.Trim());
log.saveFile("//aa");
MessageBox.Show("成功插入一条信息");
log.readFile("//aa");
mf.GetGridviewAll();//功能类似
mf.showTotalMoney();
this.Close();
}
else
{
MessageBox.Show("请按要求输入");
}
}
//判断是否为空(添加的记录不能为空)
public bool IsNotNull()
{
bool isnull = true;
if (comboBoxDateYear.Text.Trim() == string.Empty)
{
isnull = false;
}
if (comboBoxDateMonth.Text.Trim() == string.Empty)
{
isnull = false;
}
if (comboBoxDate.Text.Trim() == string.Empty)
{
isnull = false;
}
if (comboBoxLei.Text.Trim() == string.Empty)
{
isnull = false;
}
if (comboBoxItem.Text.Trim() == string.Empty)
{
isnull = false;
}
if (textBoxJin.Text.Trim() == string.Empty)
{
isnull = false;
}
//由于在Version2.0中数据是以文件的行读取的
if (textBoxDescription.Text.Trim() == string.Empty)
{
isnull = false;
}
return isnull;
}
private void comboBoxDateYear_SelectedIndexChanged(object sender, EventArgs e)
{
//tag为0 表示非闰年,即正常年
int tag = 0;
if ((Int32.Parse(comboBoxDateYear.Text.Trim()) % 4 == 0 && Int32.Parse(comboBoxDateYear.Text.Trim()) % 100 != 0)
|| Int32.Parse(comboBoxDateYear.Text.Trim()) % 400 == 0)
tag = 1;
if (comboBoxDateMonth.SelectedIndex == 1)
{
if (tag == 0)
{
comboBoxDate.Items.Clear();
for (int i = 1; i <= 28; i++)
{
comboBoxDate.Items.Add(i.ToString());
}
comboBoxDate.SelectedIndex = 0;
}
else
{
comboBoxDate.Items.Clear();
for (int i = 1; i <= 29; i++)
{
comboBoxDate.Items.Add(i.ToString());
}
comboBoxDate.SelectedIndex = 0;
}
}
}
private void comboBoxDateMonth_SelectedIndexChanged(object sender, EventArgs e)
{
switch (comboBoxDateMonth.SelectedIndex)
{
case 3:
case 5:
case 8:
case 10: comboBoxDate.Items.Clear();
for (int i = 1; i <= 30; i++)
{
comboBoxDate.Items.Add(i.ToString());
}
comboBoxDate.SelectedIndex = 0;
break;
case 1:
if ((Int32.Parse(comboBoxDateYear.Text.Trim()) % 4 == 0 && Int32.Parse(comboBoxDateYear.Text.Trim()) % 100 != 0)
|| Int32.Parse(comboBoxDateYear.Text.Trim()) % 400 == 0)
{
comboBoxDate.Items.Clear();
for (int i = 1; i <= 29; i++)
{
comboBoxDate.Items.Add(i.ToString());
}
comboBoxDate.SelectedIndex = 0;
}
else
{
comboBoxDate.Items.Clear();
for (int i = 1; i <= 28; i++)
{
comboBoxDate.Items.Add(i.ToString());
}
comboBoxDate.SelectedIndex = 0;
}
; break;
case 0:
case 2:
case 4:
case 6:
case 7:
case 9:
case 11:
comboBoxDate.Items.Clear();
for (int i = 1; i <= 31; i++)
{
comboBoxDate.Items.Add(i.ToString());
}
comboBoxDate.SelectedIndex = 0;
break;
}
}查找：
public MainForm mf;
string ss = string.Empty;
public SearchForm()
{
InitializeComponent();
}
private void btnCancel_Click(object sender, EventArgs e)
{
this.Close();
}
/// <summary>
/// 功能：单选框的文字判断查询方法，之后调用主界面的dataView显示
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void btnSearch_Click(object sender, EventArgs e)
{
if (ss == "全部")
{
mf.GetGridviewAll();
}
else
{
//FinanceLog log =new FinanceLog();
//log.readFile("\\aa");
mf.SearchData(ss);
}
this.Close();
}
private void SearchForm_Load(object sender, EventArgs e)
{
ss = radioButtonIn.Text.Trim();
}
private void radioButtonIn_CheckedChanged(object sender, EventArgs e)
{
ss = radioButtonIn.Text.Trim();
}
private void radioButtonOut_CheckedChanged(object sender, EventArgs e)
{
ss = radioButtonOut.Text.Trim();
}
private void radioButtonAll_CheckedChanged(object sender, EventArgs e)
{
ss = radioButtonAll.Text.Trim();
}
