Jquery 如何获取JSON obj的动态值?
下面是获取mysql的Json数据。 问题JSON中的数据有opt1、opt2、opt3……opt7 下面我通过for循环获取opt1..7个值,但每个opt1..7值都未定义。为什么? JSON数据:Jquery 如何获取JSON obj的动态值?,jquery,ajax,Jquery,Ajax,下面是获取mysql的Json数据。 问题JSON中的数据有opt1、opt2、opt3……opt7 下面我通过for循环获取opt1..7个值,但每个opt1..7值都未定义。为什么? JSON数据: {"qz_id":"15","qzn_id":"14","ins_user_id":"1","qnumber":"8","quiz_question":"jdfkjf dkfj dkjfkd kid jfkjdk fdkjfk djfkdjfkd kfkd fk djfkd jfk d",
{"qz_id":"15","qzn_id":"14","ins_user_id":"1","qnumber":"8","quiz_question":"jdfkjf dkfj dkjfkd kid jfkjdk fdkjfk djfkdjfkd kfkd fk djfkd jfk d",
"opt1":"jkj","opt2":"kjkj","opt3":"kjkj","opt4":"kjkjkjk","opt5":"","opt6":"","opt7":"","right_opt":"opt1","qns_explanation":"",
"Answeroption":"0","q_mark":"0","qns_neq_mark":"0",
"qns_DifficultyLevel":"1","cdate":"2017","stt":"In-active","del_stt":"No","quiz_name":"ssdsds demo","exam_id":"5","sec_id":"6"}
AJAX代码:
$.ajax({
url: "quiz_process.php",
type: "POST",
data: dataString,
cache: false,
success: function(data) {
var obj=JSON.parse(data);
/*opt a*/
var optv="";
var optionv="";
for(var i=1;i<=7;i++) {
optv='opt'+i;
optionv = optv+'::'+obj.optv;
console.log(optionv);
}
}
});
$.ajax({
url:“quick_process.php”,
类型:“POST”,
数据:dataString,
cache:false,
成功:函数(数据){
var obj=JSON.parse(数据);
/*选择a*/
var optv=“”;
var optionv=“”;
对于(var i=1;i当您希望通过变量访问对象属性时,您必须稍微更改语法:
optionv=optv+”:“+obj[optv];
否则,当您执行obj.optv
操作时,您试图访问对象的optv
属性,而该属性在您的案例中不存在