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View Code? Open in Web Editor NEW跨域获取http状态吗问题
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跨域获取http 状态吗问题
场景： 该地址本是下载文件的地址，直接返回流。文件不存在会返回404. 没权限返回403。拿到码进行判断然后进行下一步操作， 文件存在则进行下载，不存在则弹框提示。
问题： 获取不到此链接的http状态。
尝试ajax jsonp
var url = 'http://v.juhe.cn/weather/index'; var url="http://dpbkstmtquery.oss-cn-hangzhou-jiuzhou.aliyuncs.com/8888888400926273_20170404_20170411.xls?Expires=1502112828&OSSAccessKeyId=YXghJmYltg9n0ndF&Signature=kmdvNuD7E2S%2BW95HSJBEKU0aWHY%3D";
$.ajax(url, { type: 'GET',
dataType: 'jsonp',
crossDomain: true,
success: function(data) {
console.log(data)
}
}); 
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