点击新增客户出现该页面并完成前后台交互

代码逻辑分析：

jsp 页面部分代码

 <TABLE id=table_1 style="DISPLAY: none" cellSpacing=0

                                             cellPadding=2 width=155 align=center border=0>

                                             <TBODY>

                                                 <TR>

                                                     <TD class=menuSmall><A class=style2 href="${pageContext.request.contextPath}/CustomerAction_saveUI"

                                                         target=main>－ 新增客户</A></TD>

                                                 </TR>

                                                 <TR>

                                                     <TD class=menuSmall><A class=style2 href="${pageContext.request.contextPath}/CustomerAction_list"

                                                         target=main>－ 客户列表</A></TD>

                                                 </TR>

                                             </TBODY>

                                         </TABLE>

Struts.xml

 <package name="crm" namespace="/" extends="struts-default" >

         <action name="CustomerAction_*" class="com.huan.web.action.CustomerAction" method="{1}" >

             <result name="list" >/jsp/customer/list.jsp</result>

             <result name="saveUI">/jsp/customer/add.jsp</result>

             <!-- 保存成功后，查询全部客户列表信息 这里返回的是Action类，但这里应该是重定向到页面中 -->

             <result name="saveSuccess" type="redirect">CustomerAction_list.action</result>

         </action>

     </package>

add.jsp

<%@ page language="java" contentType="text/html; charset=UTF-8"

    pageEncoding="UTF-8"%>

<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">

<html>

<head>

<TITLE>添加客户</TITLE>

<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">

<LINK href="${pageContext.request.contextPath }/css/Style.css" type=text/css rel=stylesheet>

<LINK href="${pageContext.request.contextPath }/css/Manage.css" type=text/css

    rel=stylesheet>

<META content="MSHTML 6.00.2900.3492" name=GENERATOR>

</HEAD>

<BODY>

    <FORM id=form1 name=form1

        action="${pageContext.request.contextPath }/CustomerAction_add"

        method=post>

        <TABLE cellSpacing=0 cellPadding=0 width="98%" border=0>

            <TBODY>

                <TR>

                    <TD width=15><IMG src="${pageContext.request.contextPath }/images/new_019.jpg"

                        border=0></TD>

                    <TD width="100%" background="${pageContext.request.contextPath }/images/new_020.jpg"

                        height=20></TD>

                    <TD width=15><IMG src="${pageContext.request.contextPath }/images/new_021.jpg"

                        border=0></TD>

                </TR>

            </TBODY>

        </TABLE>

        <TABLE cellSpacing=0 cellPadding=0 width="98%" border=0>

            <TBODY>

                <TR>

                    <TD width=15 background=${pageContext.request.contextPath }/images/new_022.jpg><IMG

                        src="${pageContext.request.contextPath }/images/new_022.jpg" border=0></TD>

                    <TD vAlign=top width="100%" bgColor=#ffffff>

                        <TABLE cellSpacing=0 cellPadding=5 width="100%" border=0>

                            <TR>

                                <TD class=manageHead>当前位置：客户管理 &gt; 添加客户</TD>

                            </TR>

                            <TR>

                                <TD height=2></TD>

                            </TR>

                        </TABLE>

                        <TABLE cellSpacing=0 cellPadding=5  border=0>

                            <TR>

                                <td>客户名称：</td>

                                <td>

                                <INPUT class=textbox id=sChannel2

                                                        style="WIDTH: 180px" maxLength=50 name="cust_name">

                                </td>

                                <td>客户级别 ：</td>

                                <td>

                                <INPUT class=textbox id=sChannel2

                                                        style="WIDTH: 180px" maxLength=50 name="cust_level">

                                </td>

                            </TR>

                            <TR>

                                <td>信息来源 ：</td>

                                <td>

                                <INPUT class=textbox id=sChannel2

                                                        style="WIDTH: 180px" maxLength=50 name="cust_source">

                                </td>

                                <td>联系人：</td>

                                <td>

                                <INPUT class=textbox id=sChannel2

                                                        style="WIDTH: 180px" maxLength=50 name="cust_linkman">

                                </td>

                            </TR>

                            <TR>

                                <td>固定电话 ：</td>

                                <td>

                                <INPUT class=textbox id=sChannel2

                                                        style="WIDTH: 180px" maxLength=50 name="cust_phone">

                                </td>

                                <td>移动电话 ：</td>

                                <td>

                                <INPUT class=textbox id=sChannel2

                                                        style="WIDTH: 180px" maxLength=50 name="cust_mobile">

                                </td>

                            </TR>

                            <tr>

                                <td rowspan=2>

                                <INPUT class=button id=sButton2 type=submit

                                                        value=" 保存 " name=sButton2>

                                </td>

                            </tr>

                        </TABLE>

                    </TD>

                    <TD width=15 background="${pageContext.request.contextPath }/images/new_023.jpg">

                    <IMG src="${pageContext.request.contextPath }/images/new_023.jpg" border=0></TD>

                </TR>

            </TBODY>

        </TABLE>

        <TABLE cellSpacing=0 cellPadding=0 width="98%" border=0>

            <TBODY>

                <TR>

                    <TD width=15><IMG src="${pageContext.request.contextPath }/images/new_024.jpg"

                        border=0></TD>

                    <TD align=middle width="100%"

                        background="${pageContext.request.contextPath }/images/new_025.jpg" height=15></TD>

                    <TD width=15><IMG src="${pageContext.request.contextPath }/images/new_026.jpg"

                        border=0></TD>

                </TR>

            </TBODY>

        </TABLE>

    </FORM>

</BODY>

</HTML>

Action 类

package com.huan.web.action;

import java.util.List;

import org.apache.commons.lang3.StringUtils;

import org.apache.struts2.ServletActionContext;

import org.hibernate.criterion.DetachedCriteria;

import org.hibernate.criterion.Restrictions;

import com.huan.domain.Customer;

import com.huan.service.CustomerService;

import com.huan.service.impl.CustomerServiceImpl;

import com.opensymphony.xwork2.ActionSupport;

import com.opensymphony.xwork2.ModelDriven;

public class CustomerAction extends ActionSupport implements ModelDriven<Customer>{

    private CustomerService cs = new CustomerServiceImpl();

    private Customer customer=new Customer();

    public String list() throws Exception {

        //1 接受参数

        String cust_name = ServletActionContext.getRequest().getParameter("cust_name");

        //2 创建离线查询对象

        DetachedCriteria dc =DetachedCriteria.forClass(Customer.class);

        //3 判断参数拼装条件

        //StringUtils.isNotBlank 静态方法 判断

        //当cust_name 不为null  不为 ""（空字符串） ,不为空格时 返回true

        if(StringUtils.isNotBlank(cust_name)){

            dc.add(Restrictions.like("cust_name", "%"+cust_name+"%"));

        }

        //4 调用Service将离线对象传递

        List<Customer> list = cs.getAll(dc);

        //5 将返回的list放入request域.转发到list.jsp显示

            //引用ServletActionContext类的静态方法getRequest

            //getRequest返回HttpServletRequest对象

        ServletActionContext.getRequest().setAttribute("list", list);

        return "list";

    }

    public String saveUI(){

        return "saveUI";

    }

    public String add(){

        cs.save(customer);

        return "saveSuccess";

    }

    @Override

    public Customer getModel() {

        return customer;

    }

}

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