74 lines
2.3 KiB
Markdown
74 lines
2.3 KiB
Markdown
```
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// uni-app中的用法：
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uni.chooseImage({
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sizeType: ['original'],
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sourceType: ['camera'],
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success: function (res) {
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console.log(JSON.stringify(res.tempFilePaths));
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var allFiles = res.tempFilePaths;
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var tmpimg = allFiles[0];
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console.log(tmpimg)
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//#ifdef APP-PLUS
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plus.io.resolveLocalFileSystemURL(tmpimg, function(entry){
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entry.file(function(file){
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var reader = new plus.io.FileReader();
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reader.onloadend = function (e) {
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var base64=e.target.result
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console.log(base64);
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var name=tmpimg.substring(tmpimg.lastIndexOf('/') + 1);
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var img={path:tmpimg,name:name,src:base64};
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var EXIF=require('@/common/js_sdk/exif/exif.js');
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EXIF.getData(img, function(){
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console.log(EXIF.pretty(this));
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console.log('AllTags:',EXIF.getAllTags(this)) // 此处打印的为选中图片的数据
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console.log(EXIF.getTag(this, 'Orientation'));
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var tagj=EXIF.getTag(this,'GPSLongitude');
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var tagw=EXIF.getTag(this,'GPSLatitude');
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if(tagj&&tagw) {
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var longitude=tagj[0]+tagj[1]/60+tagj[2]/60/60;
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var latitude=tagw[0]+tagw[1]/60+tagw[2]/60/60;
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var lalinfo=this.name+":"+longitude+":"+latitude+",";
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console.log(lalinfo);
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uni.openLocation({latitude:latitude,longitude:longitude});
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}
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})
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};
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reader.readAsDataURL(file);
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},function(e){
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console.log("读写出现异常: " + e.message );
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throw "Could not load image";
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})
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})
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//#endif
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}
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//#ifdef H5
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<input type="file" accept="image/*" id="uploadImage" capture="camera" οnchange="selectFileImage(this);" />
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function selectFileImage(fileObj) {
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var file = fileObj.files['0'];
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//图片方向角 added by lzk
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var Orientation = null;
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if (file) {
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console.log("正在上传,请稍后...");
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var rFilter = /^(image\/jpeg|image\/png)$/i; // 检查图片格式
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if (!rFilter.test(file.type)) {
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//showMyTips("请选择jpeg、png格式的图片", false);
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return;
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}
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// var URL = URL || webkitURL;
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//获取照片方向角属性，用户旋转控制
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EXIF.getData(file, function() {
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// alert(EXIF.pretty(this));
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EXIF.getAllTags(this);
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//alert(EXIF.getTag(this, 'Orientation'));
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Orientation = EXIF.getTag(this, 'Orientation');
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//return;
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});
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}
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...
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}
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//#endif
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});
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```
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