<!DOCTYPE html><html><head><meta charset="UTF-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta http-equiv="X-UA-Compatible" content="ie=edge"><title>Document</title><script src="script/jquery-3.2.1.min.js"></script><script> $(function(){ $("#send").click(function(){ $.get("get1.txt", { username:$("#username").val(), content:$("#content").val() }, function(data,textStatus){ $("#resTest").html(data); } ) }) })</script></head><body><form id="form1" action="#"> <p>评论</p> <p>姓名:<input type="text" name="username" id="username"/></p> <p>内容:<textarea name="content" id="content" rows="2" cols="20"> </textarea></p> <p><input type="button" id="send" value="提交"/></p></form><div id="resTest"></div></body></html>如同上面的代码,在浏览器出现了跨源错误,请问是什么原因呢?
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