$.post submitting data and returning data method instances in JSON format

This article is mainly to share with you to submit data in a $.post way and return data in JSON format example, I hope to help everyone.

JS section

<script>function getType (URL, id) {     $.post (URL, {' id ': id}, Function (res) {         $ ("Input[name= ' formula ')"). Val (res.finally);         $ ("Input[name= ' Formula2 ')"). Val (res.proportion);     }, ' json '); }</script>

PHP section

    Public Function GetType () {        $where [' id '] = Trim ($_post[' id '));        $info = M (' formula ')->where ($where)->find ();        echo Json_encode ($info); exit;    }

HTML section

<input name= "formula" class= "Form-control" type= "text" ><input name= "formula" class= "Form-control" type= " Text "><select name= ' type '  select" onchange= "GetType (' Deal/gettype ', this.value);" >    <option value= "Haikou" > Haikou </option>    <option value= "Haikou" > Haikou </option>    < Option value= "Haikou" > Haikou </option></select>