a.第一种现象:No 'Access-Control-Allow-Origin' header is present on the requested resource,并且The response had HTTP status code 404a.第一种现象:No 'Access-Control-Allow-Origin' header i
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AJAX跨域之JSONP和CORS
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a.第一种现象:No 'Access-Control-Allow-Origin' header is present on the requested resource,并且The response had HTTP status code 404a.第一种现象:No 'Access-Control-Allow-Origin' header i
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