使用Cordova可以很方便的通过js代码读取系统相簿里面的照片，同使用设备摄像头拍照一样，同样需要先添加camera插件。
可以看到camera相机插件已经成功添加了：
原文出自：www.hangge.com 转载请保留原文链接：http://www.hangge.com/blog/cache/detail_1148.html
一，添加camera插件
首先我们要在“终端”中进入工程所在的目录，然后运行如下命令：
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cordova plugin add cordova-plugin-camera |
二，获取照片
我们可以选择是从“照片库（时刻）”中读取图片，或者从“相簿”中读取图片。
1，从“相簿”中获取照片
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<!DOCTYPE html><html> <head> <title>Capture Photo</title> <meta http-equiv="Content-type" content="text/html; charset=utf-8"> <script type="text/javascript" charset="utf-8" src="cordova.js"></script> <script type="text/javascript" charset="utf-8"> var pictureSource; var destinationType; document.addEventListener("deviceready",onDeviceReady,false); //Cordova加载完成会触发 function onDeviceReady() { pictureSource=navigator.camera.PictureSourceType; destinationType=navigator.camera.DestinationType; } //获取照片 function getPhoto(source) { //quality : 图像的质量，范围是[0,100] navigator.camera.getPicture(onPhotoURISuccess, onFail, { quality: 50, destinationType: destinationType.FILE_URI, sourceType: source }); } //获取照片成功 function onPhotoURISuccess(imageURI) { //打印出照片路径 console.log(imageURI); var largeImage = document.getElementById('largeImage'); largeImage.style.display = 'block'; largeImage.src = imageURI; } //获取照片是吧 function onFail(message) { alert('获取失败: ' + message); } </script> </head> <body style="padding-top:50px"> <button style="font-size:23px;" onclick="getPhoto(pictureSource.PHOTOLIBRARY);"> 从“相簿”中获取照片 </button> <br> <img style="display:none;" id="largeImage" src="" /> </body></html> |
2，从“照片库（时刻）”中获取照片
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<!DOCTYPE html><html> <head> <title>Capture Photo</title> <meta http-equiv="Content-type" content="text/html; charset=utf-8"> <script type="text/javascript" charset="utf-8" src="cordova.js"></script> <script type="text/javascript" charset="utf-8"> var pictureSource; var destinationType; document.addEventListener("deviceready",onDeviceReady,false); //Cordova加载完成会触发 function onDeviceReady() { pictureSource=navigator.camera.PictureSourceType; destinationType=navigator.camera.DestinationType; } //获取照片 function getPhoto(source) { //quality : 图像的质量，范围是[0,100] navigator.camera.getPicture(onPhotoURISuccess, onFail, { quality: 50, destinationType: destinationType.FILE_URI, sourceType: source }); } //获取照片成功 function onPhotoURISuccess(imageURI) { //打印出照片路径 console.log(imageURI); var largeImage = document.getElementById('largeImage'); largeImage.style.display = 'block'; largeImage.src = imageURI; } //获取照片是吧 function onFail(message) { alert('获取失败: ' + message); } </script> </head> <body style="padding-top:50px"> <button style="font-size:23px;" onclick="getPhoto(pictureSource.SAVEDPHOTOALBUM);"> 从“时刻”中获取照片 </button> <br> <img style="display:none;" id="largeImage" src="" /> </body></html> |
原文出自：www.hangge.com 转载请保留原文链接：http://www.hangge.com/blog/cache/detail_1148.html