"exif" : {
      "bitmap" : "10000011",
      "exposureCompensation" : "0",
      "exposureMode" : "0",
      "exposureProgram" : "2",
      "exposureTime" : "",
      "flash" : "32",
      "fnumber" : "2.2",
      "focalLength" : "2.65",
      "iso" : " 640 ",
      "lensModel" : "",
      "make" : "Apple",
      "meteringMode" : "5",
      "model" : "iPhone 6 Plus",
      "originalTime" : "2015:11:06 18:49:27"
   },

api里有

【 在 nf 的大作中提到: 】
: 你怎么确定本来有exif的呢？
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