struts2 结合extjs实现的一个登录实例

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mb5fed73533dfa9 2016-01-23 20:04:00

文章标签 struts html javascript css ide 文章分类 Html/CSS 前端开发

一、先搭建好struts2，能够通过myeclipse高速搭建。

二、再导入extjs所需的库文件。

三、写一个实体类User

package com.ext.model;

public class User {
private Integer id;
private String username;
private String password;
public Integer getId() {
    return id;
}
public void setId(Integer id) {
    this.id = id;
}
public String getUsername() {
    return username;
}
public void setUsername(String username) {
    this.username = username;
}
public String getPassword() {
    return password;
}
public void setPassword(String password) {
    this.password = password;
}
}

四、写LoginAction

package com.ext.action;

import com.ext.model.User;
import com.opensymphony.xwork2.ActionSupport;

public class LoginAction extends ActionSupport    {
private boolean success;
private String message;
private User user;

@Override
    public String execute() throws Exception {
        // TODO Auto-generated method stub
        if(user.getUsername().equals("admin")&&user.getPassword().equals("admin")){
            this.success= true;
            //this.message="你的账号是："+user.getUsername()+"password是："+user.getPassword();
        }else{
            this.success=false;
            this.message="对不起。未授权的用户不能登录改系统";
        }
        return SUCCESS;
    }

public boolean isSuccess() {
    return success;
}

public void setSuccess(boolean success) {
    this.success = success;
}

public String getMessage() {
    return message;
}

public void setMessage(String message) {
    this.message = message;
}

public User getUser() {
    return user;
}

public void setUser(User user) {
    this.user = user;
}

}

五、struts.xml例如以下所看到的：

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE struts PUBLIC "-//Apache Software Foundation//DTD Struts Configuration 2.1//EN" "http://struts.apache.org/dtds/struts-2.1.dtd">
<struts>
<package name="extjs" extends="json-default" namespace="/">
<action name="Login" class="com.ext.action.LoginAction">
<result type="json"></result>
</action>
</package>
</struts>

六、login.jsp

<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
   <link rel="stylesheet" type="text/css" href="ext3/resources/css/ext-all.css"/>
    <script type="text/javascript" src="ext3/adapter/ext/ext-base.js"></script>
    <script type="text/javascript" src="ext3/ext-all.js"></script>
    <script type="text/javascript" src="ext3/ext-lang-zh_CN.js"></script>
    <script type="text/javascript" src="login.js"></script>
</head>
<body>
</body>
</html>

七、login.js

Ext.onReady(function(){
Ext.QuickTips.init();
Ext.form.Field.prototype.msgTarget="side";

var form1=new Ext.FormPanel({
    labelWidth:40,
    baseCls:'x-plain',
    defaults:{width:180},
    items:[{
        xtype:'textfield',
        fieldLabel:"username",
        id:"txtName",
        name:'user.username',
        allowBlank:false,
        blankText:"username不能为空!"
        },{
        xtype:'textfield',
        fieldLabel:"密码",
        allowBlank:false,
        blankText:"密码不能为空!",
        name:'user.password',
        inputType:'password'
        }],
    buttons:[{
        text:"提交",
        type:'submit',
        handler:function(){
            if(form1.getForm().isValid()) {
            Ext.MessageBox.show({
                title:'请等待',
                msg:'正在载入',
                progressText:'',
                width:300,
                progress:true,
                closable:'false',
                animEl:'loding'
            });    
            var f = function(v){
                return function(){
                    var i=v/11;
                    Ext.MessageBox.updateProgress(i,'');
                }
            }
            for(var i=1;i<33;i++){
                setTimeout(f(i),i*1500);
            }
            //提交到server操作
            form1.form.doAction('submit',{
            url:'Login.action',
            method:'post',
            success:function(form,action){
                document.location="index.jsp";
                Ext.Msg.alert("登录成功。",action.result.message);
            },
            failure:function(form,action){
                Ext.Msg.alert("登录失败！",action.result.message);
            }
            });
        }
        }},
            {
        text:"重置",
        handler:function() {
    form1.getForm().reset();
}
}]
});

    var window = new Ext.Window({
        title :"登录窗体",
        layout:'fit',
        width:290,
        height:250,
        plain:true,
        bodyStyle:'padding:10px',
        maximizable:false,
        closeActon:'close',
        closable:false,
        collapsible:true,
        buttonAlign:'center',
        items:form1
    });
    window.show();

});

八、登录成功的index页面就不写了。

用extjs实现页面间的跳转開始学有点麻烦，注意红色部分。