sr-iHealthApp/html/mine/js/feedback_photo.js

(function() {
	var pickSuccess;
	// 弹出选择照片方式
	function showActionSheet(num) {
		plus.nativeUI.actionSheet({
				cancel: "取消",
				buttons: [{
					title: "从相册选择"
				}, {
					title: "拍照"
				}]
			},
			function(event) {
				if (event.index == 1) {
					getGallery(num);
				} else if (event.index == 2) {
					getCamera();
				}
			}
		);
	};
	//获取相册
	function getGallery(num) {
		plus.gallery.pick(function(e) { //scb：SuccessCallBack
		    for(var i in e.files){
		        handlePickSucc(e.files[i]);
		    }
		}, function(ecb) { //ecb：ErrorCallBack
		}, {
			filename: "_doc/gallery/",
			filter: "image",
			multiple:true,
			maximum:num||3,
			system:false,
			onmaxed:function(){
                plus.nativeUI.alert('最多只能选择3张图片');
            }
		});
	}
	
	function handlePickSucc(srcUrl) {
		var lastIdx = srcUrl.lastIndexOf("/"),
			imgName = srcUrl;
		if(lastIdx>-1) {
			imgName = srcUrl.slice(lastIdx+1);
		}
		plus.zip.compressImage({
			src: srcUrl,
			dst: "_doc/compressImg/"+imgName,
			quality: 20,
			overwrite: true
		}, function(succ) {
			var urlSucc = succ.target;
	//		var size = succ.size;
	//		var width = succ.width;
	//		var height = succ.height;
			if(pickSuccess && $.isFunction(pickSuccess)) {
				pickSuccess(urlSucc);
			}
			
		}, function(err) {
			mui.toast("压缩失败:  " + err.message);
		});
	
	}
	
	// 调用系统摄像头
	function getCamera() {
		var cmr = plus.camera.getCamera();
		cmr.captureImage(function(path) {
			/**
			 * 拍照成功后，图片本保存在本地，这时候我们需要调用本地文件
			 * http://www.html5plus.org/doc/zh_cn/io.html#plus.io.resolveLocalFileSystemURL
			 */
			plus.io.resolveLocalFileSystemURL(path, function(entry) {
				/*
				 * 将获取目录路径转换为本地路径URL地址
				 * http://www.html5plus.org/doc/zh_cn/io.html#plus.io.DirectoryEntry.toLocalURL
				 */
				var fileUrl = entry.toLocalURL();
				console.log(fileUrl);
				handlePickSucc(fileUrl);
			});
		}, function(error) {
			if(error.code==11 && error.message == "null") {
				plus.nativeUI.toast("您尚未授权拍照权限，无法使用拍照功能。");
			}
			// mui.toast(error.message)
		}, {
			filename: "_doc/camera/",
			index: 1 //ios指定主摄像头
		});
	}
	
	window.getAutoRecCompressImageLocalPath = function(cb,num) {
		pickSuccess = cb;
		showActionSheet(num);
	}
})();