Struts2结合EasyUI的combobox返回json
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前台页面:
<%@ 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>
<metahttp-equiv="Content-Type" content="text/html; charset=UTF-8">
<scripttype="text/javascript"
src="<%=request.getContextPath()%>/js/jquery-1.4.js"></script>
<linkrel="stylesheet" type="text/css"
href="<%=request.getContextPath()%>/css/easyui.css"/>
<scripttype="text/javascript"
src="<%=request.getContextPath()%>/js/jquery.easyui.min.js"></script>
<title>EasyUI</title>
</head>
<body>
<input class="easyui-combobox" name="language"
data-options="
url:'SRCEasyUI_combobox.do',
valueField:'key',
textField:'value',
multiple:true,
" panelHeight:'auto'
>
</body>
</html>
Action方法:
form类
Struts2 的xml配置
combobox用的是json数组,json数组中放的是json对象
<%@ 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>
<metahttp-equiv="Content-Type" content="text/html; charset=UTF-8">
<scripttype="text/javascript"
src="<%=request.getContextPath()%>/js/jquery-1.4.js"></script>
<linkrel="stylesheet" type="text/css"
href="<%=request.getContextPath()%>/css/easyui.css"/>
<scripttype="text/javascript"
src="<%=request.getContextPath()%>/js/jquery.easyui.min.js"></script>
<title>EasyUI</title>
</head>
<body>
<input class="easyui-combobox" name="language"
data-options="
url:'SRCEasyUI_combobox.do',
valueField:'key',
textField:'value',
multiple:true,
" panelHeight:'auto'
>
</body>
</html>
Action方法:
package jp.vacation.holiday.action;
import java.util.ArrayList;
import java.util.List;
import jp.vacation.holiday.form.EasyUIForm;
import net.sf.json.JSONArray;
import net.sf.json.JSONObject;
import org.springframework.context.annotation.Scope;
import org.springframework.stereotype.Controller;
import com.webpump.sdk.struts2.core.AbstractFwAction;
@Controller("EasyUIAction")
@Scope("prototype")
publicclass EasyUIActionextends AbstractFwAction{
private static finallong serialVersionUID= 1L;
private JSONArray jsonArray;
public JSONArray getJsonArray(){
return jsonArray;
}
public void setJsonArray(JSONArray jsonArray){
this.jsonArray= jsonArray;
}
public String combobox(){
List<JSONObject> jsonList =new ArrayList<JSONObject>();
for (int i= 0; i< 5; i++){
EasyUIForm easyuiform= new EasyUIForm();
easyuiform.setKey("key"+ i);
easyuiform.setValue("value"+ i);
JSONObject js= JSONObject.fromObject(easyuiform);
jsonList.add(js);
}
JSONArray jarray= JSONArray.fromObject(jsonList);
this.jsonArray= jarray;
return SUCCESS;
}
}
import java.util.ArrayList;
import java.util.List;
import jp.vacation.holiday.form.EasyUIForm;
import net.sf.json.JSONArray;
import net.sf.json.JSONObject;
import org.springframework.context.annotation.Scope;
import org.springframework.stereotype.Controller;
import com.webpump.sdk.struts2.core.AbstractFwAction;
@Controller("EasyUIAction")
@Scope("prototype")
publicclass EasyUIActionextends AbstractFwAction{
private static finallong serialVersionUID= 1L;
private JSONArray jsonArray;
public JSONArray getJsonArray(){
return jsonArray;
}
public void setJsonArray(JSONArray jsonArray){
this.jsonArray= jsonArray;
}
public String combobox(){
List<JSONObject> jsonList =new ArrayList<JSONObject>();
for (int i= 0; i< 5; i++){
EasyUIForm easyuiform= new EasyUIForm();
easyuiform.setKey("key"+ i);
easyuiform.setValue("value"+ i);
JSONObject js= JSONObject.fromObject(easyuiform);
jsonList.add(js);
}
JSONArray jarray= JSONArray.fromObject(jsonList);
this.jsonArray= jarray;
return SUCCESS;
}
}
form类
package jp.vacation.holiday.form;
publicclass EasyUIForm{
private String key;
private String value;
public String getKey(){
return key;
}
public void setKey(String key){
this.key = key;
}
public String getValue(){
return value;
}
public void setValue(String value){
this.value = value;
}
}
publicclass EasyUIForm{
private String key;
private String value;
public String getKey(){
return key;
}
public void setKey(String key){
this.key = key;
}
public String getValue(){
return value;
}
public void setValue(String value){
this.value = value;
}
}
Struts2 的xml配置
<!DOCTYPE struts PUBLIC
"-//Apache Software Foundation//DTD Struts Configuration 2.0//EN"
"http://struts.apache.org/dtds/struts-2.0.dtd">
<struts>
<package name="vacation" extends="vacation_common">
<result-types>
<result-type name="json" class="org.apache.struts2.json.JSONResult"/>
</result-types>
<action name="SRCEasyUI_combobox" method="combobox" class="EasyUIAction">
<result type="json">
<!--jsonArray必须在Action中定义,必须写它的get,set方法-->
<param name="root">jsonArray</param>
</result>
</action>
</package>
</struts>
"-//Apache Software Foundation//DTD Struts Configuration 2.0//EN"
"http://struts.apache.org/dtds/struts-2.0.dtd">
<struts>
<package name="vacation" extends="vacation_common">
<result-types>
<result-type name="json" class="org.apache.struts2.json.JSONResult"/>
</result-types>
<action name="SRCEasyUI_combobox" method="combobox" class="EasyUIAction">
<result type="json">
<!--jsonArray必须在Action中定义,必须写它的get,set方法-->
<param name="root">jsonArray</param>
</result>
</action>
</package>
</struts>
combobox用的是json数组,json数组中放的是json对象
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