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Ajax GET Request

Source: Internet
Author: User
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<!doctype html>    $("button"). Click (function(){        varTypeId = $ (this). attr ("id"); vardata = {"TypeId": typeId};//Typeid={typeid}                $. Get ("./a1.php", data,function(d) {varhtml = "";  for(varI in D) {HTML+ = d[i].title+ "<br/>"; }            $("#box").HTML (HTML); }, "JSON"); });</script>PHP Code<?PHP//1. Connect to the databaseTry{    $dsn= "Mysql:host=localhost;dbname=jkxy"; $username= "Root"; $pwd= ""; $pdo=NewPDO ($dsn,$username,$pwd);}Catch(pdoexception$e){    Echo $e-getMessage ();}//2. Querying the databaseTry{    $typeId=$_get[' TypeId ']; $sql= "SELECT * FROM news WHERE typeId = {$typeId}"; $stmt=$pdo, Query ($sql); $news=$stmt-Fetchall (PDO::FETCH_ASSOC); EchoJson_encode ($news);}Catch(pdoexception$e){    Echo $e-getMessage ();}? >3.Build table Code CREATE TABLE ' News ' (' id ' int (One) notNULLAuto_increment,' title ' varchar (() notNULL DEFAULT‘‘,' content ' text notNULL,' typeId ' int (One) notNULL DEFAULT' 0 ',PRIMARYKEY(' id ')) ENGINE=myisam auto_increment=26DEFAULTCharset=utf8

Ajax GET Request

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