php+jquery+ajax+json的一个最简单实例
<html> <head> <meta http-equiv="content-type" content="text/html;charset=utf-8" /> <script type="text/javascript" src="jquery-1.8.2.min.js"></script> <script type="text/javascript"> $(function(){ $("#send").click(function(){ var cont = $("input").serialize(); $.ajax({ url:'ab.php', type:'post', dataType:'json', data:cont, success:function(data){ var str = data.username + data.age + data.job; $("#result").html(str); } }); }); }); </script> </head> <body> <div id="result">一会看显示结果</div> <form id="my" action="" method="post"> <p><span>姓名:</span><input type="text" name="username" /></p> <p><span>年龄:</span><input type="text" name="age" /></p> <p><span>工作:</span><input type="text" name="job" /></p> </form> <button id="send">提交</button> </body> </html>
php页面:
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<?php header( "Content-type:text/html;charset=utf-8" ); $username = $_POST [ 'username' ]; $age = $_POST [ 'age' ]; $job = $_POST [ 'job' ]; $json_arr = array ( "username" => $username , "age" => $age , "job" => $job ); $json_obj = json_encode( $json_arr ); echo $json_obj ; ?> |