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Cordova - 使用Cordova开发iOS应用实战5(获取手机里照片,并编辑)

2016-04-21 09:07 by 笨小宝, ... 阅读, ... 评论, 收藏, 编辑
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。

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
可以看到camera相机插件已经成功添加了:
原文:Cordova - 使用Cordova开发iOS应用实战5(获取手机里照片,并编辑)

原文:Cordova - 使用Cordova开发iOS应用实战5(获取手机里照片,并编辑)


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
        原文:Cordova - 使用Cordova开发iOS应用实战5(获取手机里照片,并编辑)        原文:Cordova - 使用Cordova开发iOS应用实战5(获取手机里照片,并编辑)        原文:Cordova - 使用Cordova开发iOS应用实战5(获取手机里照片,并编辑)
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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
        原文:Cordova - 使用Cordova开发iOS应用实战5(获取手机里照片,并编辑)        原文:Cordova - 使用Cordova开发iOS应用实战5(获取手机里照片,并编辑)
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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