05 2023 档案
摘要：<script> function ImgToBase64(img) { var canvas = document.createElement('canvas');var ctx = canvas.getContext('2d');canvas.height = img.height;canvas
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摘要：我是用.NET端生成的签名url 然后安卓端通过okhttp进行上传,一直报错SignatureDoesNotMatch,状态码403 排查后发现生成签名url时未指定ContentType,而上传时指定了ContentType,导致签名验证失败 解决方法,上传时将ContentType设置为空 然
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