Detailed example of how to process data after ajax is submitted to the java background-PHP Tutorial-php.cn

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Environment: eclipse+struts

The effect to be achieved: click the button to submit the data to the background and then return to the foreground to display the data

index.jsp

<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%>     Insert title here

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struts.xml

 index.jsp

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Test.java

package com.action; import java.io.PrintWriter; import java.util.Map; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import org.apache.struts2.ServletActionContext; import com.opensymphony.xwork2.ActionContext; import com.opensymphony.xwork2.ActionSupport; public class Test extends ActionSupport { @Override public String execute() throws Exception { // TODO Auto-generated method stub HttpServletRequest request = org.apache.struts2.ServletActionContext.getRequest(); HttpServletResponse response = ServletActionContext.getResponse(); request.setCharacterEncoding("utf-8"); response.setCharacterEncoding("utf-8"); PrintWriter out = response.getWriter(); out.write(request.getParameter("username")); out.flush(); out.close(); return SUCCESS; } }

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