Ajax跨域请求PHP header设置，具体实例代码如下： header('Access-Control-Allow-Origin : *');header('Access-Control-Allow-Headers : Origin, X-Requested-With, Content-Type, Accept');header('Access-Control-Allow-Methods :PUT,POST,GET,DELETE,OPTIONS');//持久化sessionheader("Access

html页面：添加这一行 contentType: application/x-www-form-urlencoded !DOCTYPE htmlhtml lang="en"head meta charset="UTF-8" meta name="viewport" content="width=device-width, initial-scale=1.0" title显示小区信息/title script src="https://cdn.staticfile.org/jquery/1.10.2/jq