博主主页：猫头鹰源码
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项目介绍：
该系统基于Java语言，mysql数据库，具有完整的业务逻辑，适合选题：企业客户管理、客户关系管理、CRM等，主要功能有：市场活动、线索管理、客户管理、联系人维护、交易管理、个人信息、系统设置（用户管理、角色管理、权限管理）等。
系统包含技术：
后端：servlet，mybatis
前端：js，css，layui等
开发工具：idea
数据库：mysql 5.7
JDK版本：jdk1.8
tomcat版本：tomcat8
部分截图说明：
登录页面
维护市场活动信息
线索管理维护
查看线索信息
对客户进行管理
联系人维护
交易管理信息维护
交易详情查看
个人信息维护
用户管理维护
角色维护
权限管理信息维护
部分代码：
private void getContactsByName(HttpServletRequest request, HttpServletResponse response) throws IOException {
System.out.println("进入查询联系人列表getContactsByName...");
String fullname = request.getParameter("sfullname");
contactsService = (ContactsService) ServiceFactory.getService(new ContactsServiceImpl());
List<Contacts> contactsList = contactsService.getContactsByName(fullname);
Map<String,Object> map = new HashMap<>();
map.put("code",0);
map.put("message","请求成功");
map.put("count",contactsList.size());
map.put("data",contactsList);
JSONUtil.getJSON(response,map);
}
private void addContactsActivity(HttpServletRequest request, HttpServletResponse response) throws IOException {
System.out.println("进入关联关系addContactsActivity...");
String cid = request.getParameter("cid");
String[] aids = request.getParameterValues("aid");
contactsService = (ContactsService)ServiceFactory.getService(new ContactsServiceImpl());
boolean flag = contactsService.addContactsActivity(cid,aids);
response.getWriter().print(flag);
}
private void removeContactsActivity(HttpServletRequest request, HttpServletResponse response) throws IOException {
System.out.println("进入解除关联关系removeContactsActivity...");
String id = request.getParameter("id");
contactsService = (ContactsService)ServiceFactory.getService(new ContactsServiceImpl());
boolean flag = contactsService.removeContactsActivity(id);
response.getWriter().print(flag);
}
private void deleteContacts(HttpServletRequest request, HttpServletResponse response) throws IOException {
System.out.println("进入批量删除联系人deleteContacts...");
String[] ids = request.getParameterValues("id");
contactsService = (ContactsService)ServiceFactory.getService(new ContactsServiceImpl());
Map<String,Object> map = contactsService.deleteContacts(ids);
JSONUtil.getJSON(response,map);
}
private void deleteContact(HttpServletRequest request, HttpServletResponse response) throws IOException {
System.out.println("进入删除联系人deleteContact...");
String id = request.getParameter("id");
contactsService = (ContactsService)ServiceFactory.getService(new ContactsServiceImpl());
Map<String,Object> map = contactsService.deleteContact(id);
JSONUtil.getJSON(response,map);
}
private void updateContacts(HttpServletRequest request, HttpServletResponse response) throws IOException {
System.out.println("进入修改联系人updateContacts...");
String id = request.getParameter("id");
String fullname = request.getParameter("fullname");
String appellation = request.getParameter("appellation");
String customerId = request.getParameter("customerId");
String job = request.getParameter("job");
String phone = request.getParameter("phone");
String email = request.getParameter("email");
String birth = request.getParameter("birth");
String source = request.getParameter("source");
String description = request.getParameter("description");
String contactSummary = request.getParameter("contactSummary");
String nextContactDate = request.getParameter("nextContactDate");
String address = request.getParameter("address");
Contacts contacts = new Contacts();
contacts.setId(id);
contacts.setFullname(fullname);
contacts.setAppellation(appellation);
contacts.setCustomerId(customerId);
contacts.setJob(job);
contacts.setPhone(phone);
contacts.setEmail(email);
contacts.setBirth(birth);
contacts.setSource(source);
contacts.setDescription(description);
contacts.setContactSummary(contactSummary);
contacts.setNextContactDate(nextContactDate);
contacts.setAddress(address);
contactsService = (ContactsService)ServiceFactory.getService(new ContactsServiceImpl());
boolean flag = contactsService.updateContacts(contacts);
response.getWriter().print(flag);
}
private void detailContacts(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
System.out.println("进入联系人详情detailContacts...");
String id = request.getParameter("id");
contactsService = (ContactsService) ServiceFactory.getService(new ContactsServiceImpl());
Contacts contacts = contactsService.getContactsById(id);
request.setAttribute("contacts",contacts);
request.getRequestDispatcher("/pages/contacts-detail.jsp").forward(request,response);
}
private void addContacts(HttpServletRequest request, HttpServletResponse response) throws IOException {
System.out.println("进入添加联系人addContacts...");
String id = IdUtil.simpleUUID();
String fullname = request.getParameter("fullname");
String appellation = request.getParameter("appellation");
String customerId = request.getParameter("customerId");
String job = request.getParameter("job");
String phone = request.getParameter("phone");
String email = request.getParameter("email");
String birth = request.getParameter("birth");
String source = request.getParameter("source");
String description = request.getParameter("description");
String contactSummary = request.getParameter("contactSummary");
String nextContactDate = request.getParameter("nextContactDate");
String address = request.getParameter("address");
String createBy = ((User)request.getSession().getAttribute("user")).getName();
String createTime = DateUtil.now();
Contacts contacts = new Contacts();
contacts.setId(id);
contacts.setFullname(fullname);
contacts.setAppellation(appellation);
contacts.setCustomerId(customerId);
contacts.setJob(job);
contacts.setPhone(phone);
contacts.setEmail(email);
contacts.setBirth(birth);
contacts.setSource(source);
contacts.setDescription(description);
contacts.setContactSummary(contactSummary);
contacts.setNextContactDate(nextContactDate);
contacts.setAddress(address);
contacts.setCreateBy(createBy);
contacts.setCreateTime(createTime);
contactsService = (ContactsService)ServiceFactory.getService(new ContactsServiceImpl());
boolean flag = contactsService.addContacts(contacts);
response.getWriter().print(flag);
}以上就是部分功能展示，从整体上来看，本系统功能是十分完整的，界面设计简洁大方，交互友好，数据库设计也很合理，规模适中，代码工整，清晰，适合学习使用。
好了，今天就到这儿吧，小伙伴们点赞、收藏、评论，一键三连走起呀，下期见~~
