<a> href Post提交请求

本文介绍了如何使用jQuery的Ajax方法发起POST请求,并展示了具体的HTML和JavaScript代码实现。其中包括了阻止默认链接行为、设置请求类型、指定URL、设置Content-Type、序列化发送的数据以及定义请求成功和失败时的操作。

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使用ajax来发起POST请求 HTML代码如下:

<a href="http://www.baidu.com" class="a_post">发起POST请求</a>

JQuery代码如下:

$(".a_post").on("click",function(event){
    event.preventDefault();//使a自带的方法失效,即无法调整到href中的URL(http://www.baidu.com)
    $.ajax({
           type: "POST",
           url: "url地址",
           contentType:"application/json",
           data: JSON.stringify({param1:param1,param2:param2}),//参数列表
           dataType:"json",
           success: function(result){
              //请求正确之后的操作
           },
           error: function(result){
              //请求失败之后的操作
           }
    });
});

转载于:https://my.oschina.net/maoguangdong/blog/737650

这是我前端的一个界面:<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <meta http-equiv="Content-Type" content="text/html;charset=utf-8"> <title>Contact</title> <link rel="stylesheet" type="text/css" href="css/style_mobile.css"> <script language="javascript" type="text/javascript" src="js/jquery-1.9.1.min.js"></script> <script language="javascript" type="text/javascript" src="js/action.js"></script> </head> <body> <div id="container"> <div id="header"> <div id="logo">David Lanham</div> <ul> <li><a href="Index.html">Blog</a></li> <li><a href="Work.html">Work</a></li> <li><a href="About.html">About</a></li> <li><a class="active" href="Contact.html">Contact</a></li> </ul> </div> <div id="content"> <p class="content_text">Contact</p> <div id="from"> <tr><p class="font">Name<font color="#FF0000">*</font></p></tr> <tr><input class="input" type="text" name="name" id="name" ></tr> <tr> <p class="font">Email<font color="#FF0000">*</font></p></tr> <tr><input class="input" type="text" name="email" id="email"></tr> <tr> <p class="font">Message<font color="#FF0000">*</font></p></tr> <tr><textarea class="msginput" type="text" name="message" id="message"></textarea></tr> <tr><input class="button" type="button" value="SUBMIT" id="button"></tr> </div> </div> <div id="footer"> <div id="fttext"> <p>All illustrations on this site are from the very talented</p> <p> illustrator and designer David Lanham. Make sure to</p> <p>check out his work at <a href="#">DavidLanham.com.</a></p> </div> <div id="ftimage"> <a href="#"><img src="images/footer_baby.png"></a> </div> <div id="ft_text"> <p class="ftname">David Lanham</p> <p class="ftabout">I create beatufiul illustrations and designs.<a href="#">About me.</a></p> </div> <ul> <li><a href="#"><img src="images/footer_bird.png"></a></li> <li><a href="#"><img src="images/footer_ball.png"></a></li> <li><a href="#"><img src="images/footer_be.png"></a></li> <li><a href="#"><img src="images/footer_@.png"></a></li> <li><a href="#"><img src="images/footer_message.png"></a></li> </ul> </div> </div> </body> </html> 如何在点击SUBMI时发起POST请求
08-09
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <meta http-equiv="Content-Type" content="text/html;charset=utf-8"> <title>Contact</title> <link rel="stylesheet" type="text/css" href="css/style_mobile.css"> <script language="javascript" type="text/javascript" src="js/jquery-1.9.1.min.js"></script> <script language="javascript" type="text/javascript" src="js/action.js"></script> </head> <body> <div id="container"> <div id="header"> <div id="logo">David Lanham</div> <ul> <li><a href="Index.html">Blog</a></li> <li><a href="Work.html">Work</a></li> <li><a href="About.html">About</a></li> <li><a class="active" href="Contact.html">Contact</a></li> </ul> </div> <div id="content"> <p class="content_text">Contact</p> <div id="from"> <form action="/submit" method="POST"> <tr><p class="font">Name<font color="#FF0000">*</font></p></tr> <tr><input class="input" type="text" name="name" id="name" ></tr> <tr> <p class="font">Email<font color="#FF0000">*</font></p></tr> <tr><input class="input" type="text" name="email" id="email"></tr> <tr> <p class="font">Message<font color="#FF0000">*</font></p></tr> <tr><textarea class="msginput" type="text" name="message" id="message"></textarea></tr> <tr><button type="submit" class="button">SUBMIT</button></tr> </form> </div> </div> <div id="footer"> <div id="fttext"> <p>All illustrations on this site are from the very talented</p> <p> illustrator and designer David Lanham. Make sure to</p> <p>check out his work at <a href="#">DavidLanham.com.</a></p> </div> <div id="ftimage"> <a href="#"><img src="images/footer_baby.png"></a> </div> <div id="ft_text"> <p class="ftname">David Lanham</p> <p class="ftabout">I create beatufiul illustrations and designs.<a href="#">About me.</a></p> </div> <ul> <li><a href="#"><img src="images/footer_bird.png"></a></li> <li><a href="#"><img src="images/footer_ball.png"></a></li> <li><a href="#"><img src="images/footer_be.png"></a></li> <li><a href="#"><img src="images/footer_@.png"></a></li> <li><a href="#"><img src="images/footer_message.png"></a></li> </ul> </div> </div> </body> </html>
最新发布
08-12
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