json_decode,json_encode 使用日志（1）-优快云博客

本文介绍了一个使用 PHP 处理 JSON 数据的例子，展示了如何解析 JSON 字符串并进行数据映射，以便于进一步处理和展示。

使用json_decode解析后，返回对象


<?php
require('json.php');
//$str =  '[{"F_ID":"1311","F_TYPE":"5","F_VALUE":"211"},{"F_ID":"3112","F_TYPE":"2","F_VALUE":"大"},{"F_ID":"1233","F_TYPE":"7","F_VALUE":""}]';

//$arr = array("s"=>"sss");
//$json = json_encode($str);
// $jsonObj=json_decode($str);
//echo json_encode($jsonObj);
//echo JSON($arr);
//$json = array();
//$json[] = array("s"=>array("ss"=>"OK","t"=>'111'));
//echo json_encode($json);
$getListRs = array(
					'taskstruct' => '[{"F_ID":"1311","F_LABEL":"%E6%98%AF%E5%90%A6%E5%8F%AF%E6%9C%8D%E5%8A%A1","F_TYPE":"5","F_OPTIONAL":"0","F_CONTENT":[{"VALUE":"211","LABEL":"%E6%98%AF"},{"VALUE":"212","LABEL":"%E5%90%A6"}],"F_DEFAULT":"211"},{"F_ID":"3112","F_LABEL":"%E5%8E%9F%E5%9B%A0","F_TYPE":"2","F_OPTIONAL":"0"},{"F_ID":"1233","F_LABEL":"%E6%8B%8D%E5%B0%8F%E5%9B%BE","F_TYPE":"7","F_OPTIONAL":"1"}]',
					'valjson' => '[{"F_ID":"1311","F_TYPE":"5","F_VALUE":"211"},{"F_ID":"3112","F_TYPE":"2","F_VALUE":"B%E9%82%A3%E4%B8%AA"},{"F_ID":"1233","F_TYPE":"7","F_VALUE":""}]'
				);
//print_r( json_decode($getListRs['taskstruct']) );

$decode_taskstruct = json_decode($getListRs['taskstruct']);
$decode_valjson = json_decode($getListRs['valjson']);

$jsonArr = array();
for($i=0;$i<count($decode_taskstruct);++$i){
	if($decode_taskstruct[$i]->F_ID==$decode_valjson[$i]->F_ID){
		$push = array();
			$push['F_LABEL'] =  $decode_taskstruct[$i]->F_LABEL;
			$push['F_TYPE']  =  $decode_taskstruct[$i]->F_TYPE;
				if($decode_taskstruct[$i]->F_TYPE==5 || $decode_taskstruct[$i]->F_TYPE==6 || $decode_taskstruct[$i]->F_TYPE==9){
					for($ii=0;$ii<count($decode_taskstruct[$i]->F_CONTENT);++$ii){
						if($decode_valjson[$i]->F_VALUE==$decode_taskstruct[$i]->F_CONTENT[$ii]->VALUE){
							$push['F_VALUE'] =  $decode_taskstruct[$i]->F_CONTENT[$ii]->LABEL;
						}
					}
				}
				else{
					$push['F_VALUE'] =  $decode_valjson[$i]->F_VALUE;
				}
		$jsonArr[] = $push;
	}
}

 echo json_encode($jsonArr);
?>