Detailed example of EasyUI framework using Ajax to submit registration information-JS Tutorial-php.cn

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EasyUI framework uses Ajax to submit registration information implementation code

1. Server code:

@Controller
@Scope("prototype")
public class StudentAction extends BaseAction<Student> {
  private static final long serialVersionUID = -2612140283476148779L;

  private Logger logger = Logger.getLogger(StudentAction.class);
  private String rows;// 每页显示的记录数
  private String page;// 当前第几页
  private Map<String, Object> josnMap = new HashMap<>();

  // 查询出所有学生信息
  public String list() throws Exception {
    return "list";
  }

  public String regUI() throws Exception {
    return "regUI";
  }

  // 查询出所有学生信息
  public String listContent() throws Exception {
    List<Student> list = studentService.getStudentList(page, rows);
    System.out.println("list==" + list);
    toBeJson(list, studentService.getStudentTotal());
    return "toJson";
  }

  // 转化为Json格式
  public void toBeJson(List<Student> list, int total) throws Exception {
    josnMap.put("total", total);
    josnMap.put("rows", list);
    JSONParser.writeJson(josnMap);// 自定义的工具类
  }

  public String reg(){
    logger.error("kkk");
    try {
      studentService.save(model);
      josnMap.put("success", true);
      josnMap.put("msg", "注册成功!");
    } catch (Exception e) {
      e.printStackTrace();
      josnMap.put("success", false);
      josnMap.put("msg", "注册失败!");
    }
    try {
      ServletActionContext.getResponse().setContentType("text/html;charset=utf-8");
      ServletActionContext.getResponse().setCharacterEncoding("utf-8");
      ServletActionContext.getResponse().getWriter().print(JSON.toJSONString(josnMap));
    } catch (IOException e) {
      e.printStackTrace();
    }

    return "toJson";
  }

  public void setRows(String rows) {
    this.rows = rows;
  }

  public void setPage(String page) {
    this.page = page;
  }

  public Map<String, Object> getJosnMap() {
    return josnMap;
  }

  public void setJosnMap(Map<String, Object> josnMap) {
    this.josnMap = josnMap;
  }



}

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2. BaseAction code:

import java.lang.reflect.ParameterizedType;

import javax.annotation.Resource;

import org.apache.struts2.ServletActionContext;

import cn.oppo.oa.service.DepartmentService;
import cn.oppo.oa.service.ForumService;
import cn.oppo.oa.service.PrivilegeService;
import cn.oppo.oa.service.RoleService;
import cn.oppo.oa.service.StudentService;
import cn.oppo.oa.service.UserService;

import com.alibaba.fastjson.JSON;
import com.opensymphony.xwork2.ActionSupport;
import com.opensymphony.xwork2.ModelDriven;

public abstract class BaseAction<T> extends ActionSupport implements ModelDriven<T> {

  /**
   * 
   */
  private static final long serialVersionUID = 1L;
  @Resource
  protected RoleService roleService;
  @Resource
  protected DepartmentService departmentService;
  @Resource
  protected UserService userService;
  @Resource
  protected PrivilegeService privilegeService;

  @Resource
  protected ForumService forumService;

  @Resource
  protected StudentService studentService;

  protected T model;

  @SuppressWarnings("unchecked")
  public BaseAction() {
    try {
      // 得到model的类型信息
      ParameterizedType pt = (ParameterizedType) this.getClass().getGenericSuperclass();
      Class<T> clazz = (Class<T>) pt.getActualTypeArguments()[0];

      // 通过反射生成model的实例
      model = (T) clazz.newInstance();
    } catch (Exception e) {
      throw new RuntimeException(e);
    }
  }

  public void writeJson(Object object){
    try {
      String json = JSON.toJSONStringWithDateFormat(object, "yyyy-MM-dd HH:mm:ss");
      ServletActionContext.getResponse().setContentType("text/html;charset=utf-8");
      ServletActionContext.getResponse().setCharacterEncoding("utf-8");
      ServletActionContext.getResponse().getWriter().write(json);
      ServletActionContext.getResponse().getWriter().flush();
      ServletActionContext.getResponse().getWriter().close();
    } catch (Exception e) {
      e.printStackTrace();
    }
  }

  public T getModel() {
    return model;
  }
}

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3. Page code:

<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<html>
<head>
  <title>EasyUI框架</title>
  <%@ include file="/WEB-INF/jsp/public/common.jspf" %>
  <script type="text/javascript">
     $(function(){
       if(${"#easyui_regForm"}.form(&#39;validate&#39;)){
         $.ajax({
           url:&#39;${pageContext.request.contextPath}/student_reg.action&#39;,
           data:${"#easyui_regForm"}.serialize(),
           dataType:&#39;json&#39;,
           success:function(obj,status,jqXHR){
             if(obj.success){
               $("#easyui_regDialog").dialog(&#39;close&#39;);
             }
             $.message.show({
              title:&#39;提示&#39;,
              msg:obj.msg
             });
           }
         });
       }else{
         alert(&#39;验证失败&#39;);
       }
    }); 
  </script>
</head>
<body class="easyui-layout">
  <p data-options="region:&#39;north&#39;,split:true" style="height:100px;">aa</p>
  <!-- <p data-options="region:&#39;south&#39;,split:true" style="height:100px;">bb</p>-->
  <p data-options="region:&#39;east&#39;,title:&#39;East&#39;,split:true" style="width:200px;">cc</p> 
  <p data-options="region:&#39;west&#39;,title:&#39;West&#39;,split:true" style="width:200px;">dd</p>
  <p data-options="region:&#39;center&#39;,title:&#39;center title&#39;" style="padding:5px;background:#eee;">kk</p>

  <p class="easyui-dialog" data-options="title:&#39;登陆&#39;, modal:true,
      closable:false,
      toolbar:[{
        text:&#39;Edit&#39;,
        iconCls:&#39;icon-edit&#39;,
        handler:function(){alert(&#39;edit&#39;)}
      },{
        text:&#39;Help&#39;,
        iconCls:&#39;icon-help&#39;,
        handler:function(){alert(&#39;help&#39;)}
      }],
      buttons:[{
        text:&#39;登陆&#39;,
        handler:function(){alert(&#39;登陆&#39;)}
      },{
        text:&#39;注册&#39;,
        handler:function(){
          $(&#39;#easyui_regForm input&#39;).val(&#39;&#39;);
          $(&#39;#easyui_regDialog&#39;).dialog(&#39;open&#39;);
        }
      }]" >
    <table>
      <tr>
        <td>登陆名称：</td>
        <td><input type="text" name="name"/></td>
      </tr>
      <tr>
        <td>登陆密码：</td>
        <td><input type="password" name="password"/></td>
      </tr>
    </table>
  </p>

  <p id="easyui_regDialog" class="easyui-dialog" data-options="title:&#39;注册&#39;, modal:true,
      closable:true,
      closed:true,
      buttons:[{
        text:&#39;注册&#39;,
        handler:function(){
          $(&#39;#easyui_regForm&#39;).form(&#39;submit&#39;,{
          url : &#39;${pageContext.request.contextPath}/student_reg.action&#39;,
          success : function(data) {
            var obj = jQuery.parseJSON(data);
            if (obj.success) {
              $(&#39;#easyui_regDialog&#39;).dialog(&#39;close&#39;);
            }
            $.messager.show({
              title : &#39;提示&#39;,
              msg : obj.msg
            });
          }
      });
        }
      },{
        text:&#39;取消&#39;,
        handler:function(){alert(&#39;注册&#39;)}
      }]" >
    <form id="easyui_regForm" method="post">
    <table>
      <tr>
        <td>登陆名称：</td>
        <td><input type="text" name="loginName" class="easyui-validatebox" data-options="required:true,missingMessage:&#39;用户名称不能为空&#39;"/></td>
      </tr>
      <tr>
        <td>登陆密码：</td>
        <td><input id="reg_pwd" type="password" name="password" class="easyui-validatebox" data-options="required:true,missingMessage:&#39;用户密码不能为空&#39;"/></td>
      </tr>
      <tr>
        <td>确定密码：</td>
        <td><input type="password" name="repassword" class="easyui-validatebox" data-options="required:true,missingMessage:&#39;确认密码不能为空&#39;,validType:&#39;equals[\&#39;#reg_pwd\&#39;]&#39;" /></td>
      </tr>
    </table>
    </form>
  </p>
</body>
</html>

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4. struts2.xml configuration

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE struts PUBLIC
  "-//Apache Software Foundation//DTD Struts Configuration 2.0//EN"
  "http://struts.apache.org/dtds/struts-2.0.dtd">

<struts>
  <!-- 配置为开发模式 -->
  <constant name="struts.devMode" value="true" />
  <!-- 配置扩展名为action -->
  <constant name="struts.action.extension" value="action" />
  <!-- 配置主题 -->
  <constant name="struts.ui.theme" value="simple" />

  <package name="default" namespace="/" extends="json-default">

    <interceptors>
      <!-- 声明一个拦截器 -->
      <interceptor name="checkePrivilege" class="cn.oppo.oa.interceptor.CheckPrivilegeInterceptor"></interceptor>

      <!-- 重新定义defaultStack拦截器栈，需要先判断权限 -->
      <interceptor-stack name="defaultStack">
        <interceptor-ref name="checkePrivilege" />
        <interceptor-ref name="defaultStack" />
      </interceptor-stack>
    </interceptors>


    <!-- 配置全局的Result -->
    <global-results>
      <result name="loginUI">/WEB-INF/jsp/user/loginUI.jsp</result>
      <result name="noPrivilegeError">/noPrivilegeError.jsp</result>
    </global-results>


    <!-- 测试用的action，当与Spring整合后，class属性写的就是Spring中bean的名称 -->
    <action name="test" class="testAction">
      <result name="success">/test.jsp</result>
    </action>


    <action name="*_*" class="{1}Action" method="{2}">
      <result name="{2}">/WEB-INF/jsp/{1}/{2}.jsp</result>
      <!-- 跳转到添加与修改页面 -->
      <result name="saveUI">/WEB-INF/jsp/{1}/saveUI.jsp</result>
      <!-- 返回list页 -->
      <result name="toList" type="redirectAction">{1}_list?parentId=${parentId}</result>
      <!-- 返回主页 -->
      <result name="toIndex" type="redirect">/index.jsp</result>
      <!-- 返回论坛主题 -->
      <result name="toShow" type="redirectAction">topic_show?id=${id}</result>
      <result name="toTopicShow" type="redirectAction">topic_show?id=${topicId}</result>
      <!-- json解析 -->
      <result name="toJson" type="json">
        <param name="root">josnMap</param>
      </result>

      <result name="reg">/easyui.jsp</result>


    </action>

  </package>

</struts>

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