python 将网页上抓取下来的base64字符串转换成图片的形式保存到本地

import os,base64
strs = 'iVBORw0KGgoAAAANSUhEUgAAAFoAAAAjCAIAAACb54pcAAAKCklEQVR42t1aCVRTxxqOIIgglSUColIXjKgo1SLwrKAHRKGo9aHVos9SccGKHrUUW/cFFRdeXXF5io+68JSntgqVRawFK1Ktyh4QAY2yRJaEJBKy8r448RpDgICB805z/nPPzNy5c2e++f7/++cCjZ1T0wE71LdMY/vqxRNVq+cmDO7Y+O9j5/z/3eFnaS3dcKaP6tRJ12Y9bq9V1a7W2H69zqQDo2k0Wtfvnq6m3hnWbjhM0/d1MRBHPvRqsw/PKkNje9bum13Bjh7T9v9lGAGjJ3u+Fxwrfqz9awDRNjt2x47c/eRAm+sM89MQay9Hf9nZQOSl3M5KvPUiM1u1UUhXRlNeRZxqu9urrW0O6Ju/tVNCaVqosHUgfrt41WeiZ+yhE21OUSz7qnlj5k9JzqM/unc1JScp7btlK7/+x8KuYMeDpLoZU0TDhkgjNws6ECyLbmVi95q/6TNvX7QHzZl3et9BrKqlCcVfq9PYzn7AnD55Khk/5fIlVFkZWYxBQ95n8VdN97UGx8047gBbmVEP+expjeFrBXQLmdcEsdqCP81/SpVzbubf/ulO4vlkbDvZfIchQ0c7jDi4ZedcS0PV1xzeFvGviB/oFpYVf+SiWnk/f2D/Ae2a+qqFS/HslRMxq6OC9Z/p0YxpT+88vBZ9bqzj6E5hB1Zu00f2n2P1AIJGawIWaAQ6W755pZEIi+ctOR914c/4G643xluamWOvsEJUMeiDhJuD7QZS7yhIvWPTx8rfx+/8gWOkpST9PloILlpO1MVprLXY9aOpjr04JjOO+LiN+Th4fiDagf6FIyd1D8fQwVJSMO4pv3i8Hi6THMudNWaXvl5TcyxAiu1TjhzfFUlG+WFTOJYHdhA44BRW9D7k1oLNnxv37Dnbd/oC/8+pt8Lz+9nYfOLsamtt8+039HqOqVxmJBNb8Z9FtjRRsOBZziOjoh4+PytEEeivWbxMESzHfAzTPRxHI/gpF7gojB8nBgQF477LTOAUpteCKRnxHLUA8fulBKzckeFARkGcp9FoqecvEzgKb2YAAnLLc7x7fxtbuInqW3uZmAARzwmj5BJzSYPjj4fCxjkNr8u9L3y5UMwb33yWxWn3Rg538OJ5DE9mXI+5gJaw4BWgGGHNkoAF2i94/WOmtqHUfqCCILcucQCBh5siapRmKuAgMKk+hvCedOaiqkfY2fbbu35LwLog4gv6evooRKzdCD8CUkQXzT7oTZ4FWFF75jU10XilCpWB3ER8v4aMIxUyRNypzalhz3eYzPN4mc0MXbIckZg4CMaP3LANQoNyoMW1Vta53WJAkMCqfcpyMpK31H5nZVbNBBdlBCVw5KWUNhd/zAlUJ1uHK/TCfuCgjCvXSUQABJk/J+MKXsRFnUIjlgE/RwEg7tsyH1hwC+NRBYh3fjdAFdRAlctMQnlT8Ji3iXbirdV5wSOFw+YEzER4olwDwQgsI2MSE7B2wuOa5IYg3asXG3UgtIPtpGp5VFR4lSOj8fS+CjX2Yp3YeZQXzZ1P8iIwgpJYAGHQvTt2lQQ86KK7ixtcCTKJdrmsW32xgvOAj82mYf1ymYm0cRBa6vIyZZI+9cUXqXf5HfS2FdtExx64evIMmIWRyXuBBSUrdbkP5VJTaYMDl3nj2nH2zEWLGypXSl6Nfl84EETjol7gRsUfxZ9581kZT954x1ObPpINK5QYQfMwG6MeRkRfRwxloACypMfFkw56enoWZmYIqPFfWRPIUs7+F4V+blMCZvhLBOMo1CQSAwErglcSwys5jRZOXga38DoBC/Zr0RWDuu64Ik5Fhe+BWkNfQ74MQnjatDIUwRh9NqbuB6D8siNKaHKylLkcz0NjJNKc16h971BExIPdcLUfKCI9Nq+qHmwnDpzFZT8ofjP7JuBCyuACgQMbjvnBQYYGT8TukbuGBga01z+QCHjBs+AUaMcaSIfGWn+scP7M2XU52VgMpk7aTyaugr5w8m+jnJOf1lds7bplLMpOIxyp5A1vIak6tqEmLxmP1z++TG49rjJGVcTxVSBbcAtlXFuH4J3PP2Eh+c1S6WfHdlSSstkHMhcnIRAJXVK7dz0bcJSkK/nSw9AQBCGJA/z50rHTqoN80Ms0/Nt1tDc/uAkRAsqWLZhzItqclLlFV5UFZhJMzHNHGbI6QsjYUb4OkRKBExk6uEZeR0gBIQNGUOj64ljyuExs89rvespEtoQm8CDhy6DmKNDd/9ni17AnCabo5D5xHfUAY5CSIKnnWYAj9lD5FHcBIojvJAHVBzIBOMgikYz+GnvlnSOzhSX4jA1E6gXRUTtfnNpzQN9I30La20PUf1NFKHyhJqsINBFxvRuqltdmM6EgkNVF1fNJfwQggILwBBoGzppb/bCQvNR30mSC3Rs4rF6VrwdTBKw9JKAAXGF1YEtc0AyH+rc26y8KUkuD5nBJ1Xm0MHID+3WEf0dfkHchpCHjxCyxS9g91VMmdpLk48SgJlBTBFSSs4IvuD7PyY57viNEMG6Y0N5SYu7P8TtWE/C8iVabVRhUM4/IKjXCzrD1SGGQ7wBiHAKxE8g4lH5XN5PqpvA7vptSaJ5v4z05U8N81NLi/x7h1TYcymPvJAHR10+cG6hoomrYcxCEcgeoLHwbuKAdfkTNVYVxQ9ANhxdcocpvveZ7u4aK0Nz89MOsCCBiKTO2btKzlJrHlB0GXmqDIFSPcnH18/SmgpTygF+tzMSIeMOqC5h1xTdE/Int/nSsEY7qh/B/Gd1CamstyUkq1XhCpbBASINkImQiZVQ9m6gZ8nTsMAil/mmvJAa6SMpny6Ks5AZrRQOG1FtaSMwqs7U71GQzhezFlFO8zK0Q8Tz5Fdtf5pbrBg5iDxLKVKvBX29QrULzECDUlif1692B/IdXcgoxD0GELjNJY+3iyw24zJQ2sRhj9/ZDQXVBkaBqLbUw7tMYOI6WcAQ4faoVHF1pBazdtnLDC9WBEF0SC9uVMsBqiu4K2GFUtZ51XC4zbh0I262u7WBHlxmR1Z1VIVLhUBF3cje3X9oFBGV1T34RsNdQVRHfXSz4m86cRYc2LeNPje1HI/qqyWqL3xZd8syzEttUTU7p5YaaRa/95QzKkkYGWPN/B0cr1lxWtadDS4iIBW68F5EinjevfFc72HH3bGW7pm73m7VusQgvX4fTKpxFJ0C8jSPMRxKhQ2O9ry6V5W0eZTi9M3hxruwoTqs4m+gQCFV7dD2hU+AgxjJcrkMsFLIqscC1Y0DI0kJ1/vdj3cQO6/3R2nRL9eVQZXJaBTt0zojWLZux8L3h2ODReofZt31Uq86PnLSRVZxWtQci3+t+m0vtdTdal+wQZjC0pMNeekiHqdSSrGoz3Re5FZ36zxa0kKX3tFzGzC98dBIyAjMmq8kqNZvEeV4aZ3m76M7Wiu3ufA8LiWWnIvI/gEEbrzvyUBsAAAAASUVORK5CYII='
def decode_base64(data):
    """Decode base64, padding being optional.

    :param data: Base64 data as an ASCII byte string
    :returns: The decoded byte string.

    """
    missing_padding = len(data) % 4
    if missing_padding != 0:
        data += b'='* (4 - missing_padding)
    # return base64.decodestring(data)
    return base64.b64decode(data)
imgdata=decode_base64(strs)
file=open('1.jpg','wb')
file.write(imgdata)
file.close()
#注意:你复制过来的字符串strs可能前缀带有红色标注的base64,你这时需要把他们给删了

 然后运行,就可以搞定。

参考链接:http://blog.csdn.net/qzc295919009/article/details/42712801

    http://bbs.csdn.net/topics/392045840

原文地址:https://www.cnblogs.com/fh-fendou/p/7483040.html