java - 解码在 iOS 中编码的 Java 字符串文件 (Base64)

标签 java ios rest encoding decode

我正在 Java 中创建一个 RESTFul 服务,该服务从 iPhone 接收 Base-64 字符串。

但是我无法在服务器端再次制作该文件。

我使用了以下一些代码,但它们都不适用于我。

一个

File fileOut = new File("/home/xyz/fileOutPNG.png");
FileUtils.writeByteArrayToFile(fileOut, Base64.decodeBase64(fileString));

两个

File fileOut = new File("/home/xyz/fileOutPNG.png");
FileUtils.writeByteArrayToFile(fileOut, fileString.getBytes());

BASE64Decoder decoder = new BASE64Decoder();

File fileOut = new File("/home/xyz/fileOutPNG.png");
FileUtils.writeByteArrayToFile(fileOut, decoder.decodeBuffer(fileString));

有人可以告诉我如何创建回图像吗?

供引用fileString包含以下编码字符串。

"iVBORw0KGgoAAAANSUhEUgAAAGQAAAClCAYAAACqVlhFAAAAHGlET1QAAAACAAAAAAAAAFMAAAAoAAAAUwAAAFIAAA P0RNzfgAAD1tJREFUeAHsnHmQFcUdxxcPVKLxSNR4RNSQMgke3IfBsGoqGkuUEtcFxXW5wRLPWF5RVxPUJKCmNDHGVYhbyKHhZgUxYjQhBjFIPEiCBmJUEIgGF1Fg2ZfPb v1q98Ob95098y8fWvlj191z8yvf9e3r numbJMJlP2fyqdGLQKGIsWLTpi3rx550O3LViw4In58 cvg9ZBW6FMgD7i i3oeWgKdD1lzpo9e/ZBn8eKVBRA6uvr9yH45xLMh6C3oWDQfa6bkLMKcH4GnVZTU7PH5wGgVAFZuHBhb4L2KLQlIRAKAfe gDN37twT2jIwiQMiNZXgV9IiXo4AYTU8dQTxVtKLAK8HwewEHb548eIvkB4AHQmdIMDCcynyfgQ9Bf0rQnY9z8vbIjCJAkIQBkJvhgRLWskUAjuEAH8lbrAAqhPyRkKzoO1QvtYj406vuLqKWT4RQKQW4/jv8gUFAJ7mfuXMmTP3S8sxWtnB6BmDnuX5bODebxjHDk1Lf5JyYwFCkPfE2RuhzwKBaOR6GoE6MUljbWShtxxaErBHWs9/sGewjYzW5PEGJDt1/X0ex2dJd9KaTolugn8qtr0UtI WVCdjVGvbF6bfCxAC/m0c3aCdJQBrobPCFLXS/XYAMAI75V1GjzGvY vxrWRTwZgXfJjPYByrhIKD6KN0X/vn4y Fe9h7FPQspEHZBCinloJ92gYnQHBgHE7JC5lxbBv5Ki2wVPMyHcf O/LYf2Yp2WwNSBYMA4SkG TdoZScsbGFLmwQtktFMr58yr0zbMoWg8cKEIy/RDkgjrzFNPJrxTAwDR3ZMVCvHmyTl880dLnKjASE2tMfAHYoQASMo10VlRq/AIBPGpSN Hpca9tZEJA5c Z8FaM3KjDWl4LRSQUt21I Vf6tIt8hKfk ckIBWbp06V4YJ8vipq/9hHw3HyWlXIYKdpHyMcNYWdua9oYCgpG3a0MxfEiaho4ePfrLo0aNOpV04JgxY4ZCQ6ABUA/uHZimbnybEPB1UJr6CsnOCwj960kYuNMYSa35VSEhPs qq6sPItgjoBkEfCOUiaC1PH8MqqDsvj46w8pkl4BeNP6Sbpg1a9aXwvjTvJ8PkHYYpLuqNVwn1q OHDnyZII6FdoORYEQ9nwLQN5P WOSCg6VsCN NkDNXTSt5uGkZLvI2Q0QDLrYGCUphiUyRx87duxRBHB6ARB28ext6HloLrQAehF6BwoDZgfP7h0 fPgBLk6H8dITjFe ywvwKWG8ad1vAUh2IJf9azOQT0tCMWNDNYFryBNY6YYmAFZ5oW5IAo6Mc F9ENqUR8673Ds9rq3ZrktmWsb/hXFlupZvAQiGDFPG7JRm7CpQ81dUVLQnkLV5AvgiXc7ZZWVl7TS/TR5Ze1O2inR1QO4udN1kI6MQDz6frWIgPUTPQvxJP9OAtKPJvqGMmRJHGcHqQOAWBYK2nqAlsifB2tReyL8W Z8EdDzgA7T2FRD09vNM/SztfA4QgDhTgbErzp6GtAyCVB8I1LN0TYcl7RCThG i5/WArvvi6CEOshVtuq1GYnFkHHkuZXOA0DpmGCPIz3EREuQlOA8HAvQYIO0Z5EvqGl0HQjIZyA3 tMSrYsiXmabMLs2M65YYsnIxtpHRzCx7GSjXSwgDbQrn46EbGaoDQ35K3C4kn57gPfR0AIQ/KN07uPbu/6mUtxpASFcH9aV13QwICmXTyTTRzQDU3kch3cfhBOS/KijPpdkygjaOGzfuYHTLzM20lDfI7x3ks7nmZOSxKiYyuHe2KReXxwDyuFL a1 hOP 4Csamyy /PPZxH1dbpFVgQ6Oy4zpXGYafmORekAHkB Z mqkBRO PX 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最佳答案

尝试下一个:

File fileOut = new File("/home/xyz/fileOutPNG.png");
FileUtils.writeByteArrayToFile(fileOut, 
                 javax.xml.bind.DatatypeConverter.parseBase64Binary(fileString));

关于java - 解码在 iOS 中编码的 Java 字符串文件 (Base64),我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/19595800/

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