显式提交/隐式提交 //ajax方式的隐式提交

//创建jqueryAjax.html文件

<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
<script type="text/javascript" src="js/jquery-1.11.3.min.js"></script>//将js文件jquery-1.11.3.min.js导入到文件夹JS中     
<script>
function fn1(){
    $.get(
         "/day480/ajaxJquery",
         {"name":"qiang","age":20},
         function(data){
             alert(data.name)
         },
         "json"
    );
}
function fn2(){
    $.post(
         "/day480/ajaxJquery",        
             {"name":"tong","age":21},
             function(data){
                 alert(data.name)
             },
             "json"
    );
}
function fn3(){
    $.ajax({
        url:"/day480/ajaxJquery",
        async:true,
        type:"POST",
        data:{"name":"zhangyi","age":19},
        success:function(data){
            alert(data.name)
        },
        error:function(){
            alert("请求失败");
        },
        dataType:"json"
    });
    
}

</script>
</head>
<body>
<input type="button" value="显式提交 " onclick="fn1()"><span id="span1"></span>
<input type="button" value="隐式提交 " onclick="fn2()"><span id="span2"></span>
<input type="button" value="ajax隐式提交 " onclick="fn3()"><span id="span3"></span>
</body>
</html>

//创建servlet    AjaxJquery       ajaxJquery

package Demo;

import java.io.IOException;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

public class AjaxJquery extends HttpServlet {

    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
     request.setCharacterEncoding("utf-8");
     String name = request.getParameter("name");
     String age = request.getParameter("age");
        System.out.println(name+ "  " +age);
        response.setContentType("text/html;charset=utf-8");
        response.getWriter().write("{"name":"tou头强","age":22}");
    }

    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {

        doGet(request, response);
    }

}

原文地址:https://www.cnblogs.com/Fisherman13/p/10519623.html