November 15, 20131. Construct the json text in the servlet, and then respond. getWriter ()ajax,Return to jsonIn the text servlet, one paragraph is written in doPost or doGet, but this. doGet (rq,Rs) or this
August 18, 2021Method 1: Set the dataType attribute of the ajax method to 'json'.Method 2: Parse with the parse () method of JSON object。 Method 3: Use eval() method,var dataObj = eval("("+data+")")
Parsing JSON data can use the methods provided by JQuery, such as data. key or data'key ', to obtain the attribute values in JSON objects。If the returned data is a JSON array, you can use the each method of JQuery to traverse each element in the array.With
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First:ajaxReceive the list andreturnGive foreground js code: functiontest (obj) {varstr=$("# tt"). val();webTest(str,Function (result) {alert (result);//Alert the result returned in the background to varlis
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