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struts+json+ajax实例

2014-08-13 19:22 211 查看

<span style="font-family: Arial, Helvetica, sans-serif;">JsonTest.java</span>

public class JsonTest {

public String execute() throws IOException{
ErrorCondition r1 = new ErrorCondition("张三", "4306821989021611", "L", "长度错误");
ErrorCondition r2 = new ErrorCondition("李四", "430682198902191112","X", "校验错误");
ErrorCondition r3 = new ErrorCondition("王五", "", "N", "身份证信息为空");
List<ErrorCondition> list = new ArrayList<ErrorCondition>();
list.add(r1);
list.add(r2);
list.add(r3);
//将list转化成JSON对象
JSONArray jsonArray = JSONArray.fromObject(list);
HttpServletResponse response = (HttpServletResponse) ActionContext.getContext().get(ServletActionContext.HTTP_RESPONSE);
response.setCharacterEncoding("UTF-8");
response.getWriter().print(jsonArray);
return null;
}
}

strurs.xml

<package name="json" namespace="/json" extends="struts-default">
<action name="jsonTest" class="org.hnylj.web.JsonTest" method="execute"></action>
</package>

JSP

<body>
<input type="button" value="点我显示数据" id="clickMe">
<table id="showTable" border="1">
<tr>
<td>姓名</td>
<td>身份证</td>
<td>错误状态</td>
<td>错误信息</td>
</tr>
</table>
<script>
$("#clickMe").click(function(){
var url = "json/jsonTest.action";
$.ajax({
type:'get',
url:url,
dataType: 'json',
success:function(data){
$.each(data,function(i,list){
var _tr = $("<tr><td>"+list.name+"</td><td>"+
list.idCard+"</td><td>"+list.status+
"</td><td>"+list.message+"</td></tr>");
$("#showTable").append(_tr);
})
}
})
})
</script>
</body>

ErrorCondition.java

private String name; // 姓名
private String idCard; // 身份证
private String status; // 错误状态
private String message; // 错误信息
public ErrorCondition(String name,String idCard,String status,String message){
this.name = name;
this.idCard = idCard;
this.status = status;
this.message = message;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getIdCard() {
return idCard;
}
public void setIdCard(String idCard) {
this.idCard = idCard;
}
public String getStatus() {
return status;
}
public void setStatus(String status) {
this.status = status;
}
public String getMessage() {
return message;
}
public void setMessage(String message) {
this.message = message;
}
}

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标签： json ajax

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