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f2b4078e 1 parent 53db8a1e

增加本地图片压缩后上传功能以及测试样例

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Showing 25 changed files with 625 additions and 23 deletions
...@@ -27,6 +27,7 @@ ...@@ -27,6 +27,7 @@
27 <div id="preview" style="padding:1em"> 27 <div id="preview" style="padding:1em">
28 28
29 </div> 29 </div>
30 + <script src="lib/lrz/lrz.bundle.js"></script>
30 <script> 31 <script>
31 $(document).ready(function() { 32 $(document).ready(function() {
32 function Publisher(options) { 33 function Publisher(options) {
...@@ -34,7 +35,7 @@ ...@@ -34,7 +35,7 @@
34 return new Publisher(); 35 return new Publisher();
35 } 36 }
36 37
37 - var $editor 38 + var $editor;
38 function init(editor) { 39 function init(editor) {
39 $editor = $(editor); 40 $editor = $(editor);
40 var ImageGallery = function (context) { 41 var ImageGallery = function (context) {
...@@ -102,29 +103,33 @@ ...@@ -102,29 +103,33 @@
102 if (image.size <= 102400) { 103 if (image.size <= 102400) {
103 $editor.summernote('insertImages', [image]); 104 $editor.summernote('insertImages', [image]);
104 } else { 105 } else {
105 - data = new FormData(); 106 + lrz(image, {
106 - data.append("file", image); 107 + width: 1024
107 - 108 + })
108 - $.ajax({ 109 + .then(function (rst) {
109 - data: data, 110 + rst.formData.append('fileLen', rst.fileLen);
110 - type: "POST", 111 + rst.formData.append('xxx', '我是其他参数');
111 - url: "/upload", 112 + $.ajax({
112 - cache: false, 113 + data: rst.formData,
113 - contentType: false, 114 + type: "POST",
114 - processData: false, 115 + url: "/upload",
115 - success: function(result) { 116 + cache: false,
116 - var file = result.content.files[0]||{}; 117 + contentType: false,
117 - console.log(file); 118 + processData: false,
118 - if (file.size) { 119 + success: function(result) {
119 - setTimeout(function () { 120 + var file = result.content.files[0]||{};
120 - $editor.summernote('insertImage', file.url, function ($image) { 121 + console.log(file);
121 - $image.css('width', $image.width() / 3); 122 + if (file.size) {
122 - $image.attr('data-filename', file.name); 123 + setTimeout(function () {
123 - }); 124 + $editor.summernote('insertImage', file.url, function ($image) {
124 - }, 1000); //等待上传处理图片 125 + $image.css('width', $image.width() / 3);
126 + $image.attr('data-filename', file.name);
127 + });
128 + }, 1000); //等待上传处理图片
129 + }
125 } 130 }
126 - } 131 + });
127 - }); 132 + });
128 } 133 }
129 } 134 }
130 }, 135 },
......
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2 +//# sourceMappingURL=1.chunk.js.map
...\ No newline at end of file ...\ No newline at end of file
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2 +//# sourceMappingURL=2.chunk.js.map
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1 +1. 一般情况仅需引用 【lrz.bundle.js】 即可。
2 +但绝对不要删除目录下的【*.chunk.js】，这些文件分别对应了IOS和Android的兼容代码，检测到符合环境时会自动引入。
3 +
4 +2. 【lrz.all.bundle.js】是包含了所有引用了，莫名其妙的问题下就引用这个吧。
5 +例如：https://github.com/think2011/localResizeIMG/issues/6
6 +
7 +3. 【*.map】文件是供调试用的，正式使用删不删除都没关系，因为仅在调试时才会载入。
...@@ -22,6 +22,7 @@ ...@@ -22,6 +22,7 @@
22 "gm": "^1.23.0", 22 "gm": "^1.23.0",
23 "lodash": "^4.16.5", 23 "lodash": "^4.16.5",
24 "log4js": "^0.6.38", 24 "log4js": "^0.6.38",
25 + "lrz": "^4.9.40",
25 "node-uuid": "^1.4.7", 26 "node-uuid": "^1.4.7",
26 "redis": "^2.6.3", 27 "redis": "^2.6.3",
27 "sequelize": "^3.24.6" 28 "sequelize": "^3.24.6"
......
...@@ -16,6 +16,7 @@ const loggers = require('./init/log4js-init'); ...@@ -16,6 +16,7 @@ const loggers = require('./init/log4js-init');
16 16
17 var ROOT_PATH = process.cwd(); 17 var ROOT_PATH = process.cwd();
18 app.use('/lib/', express.static(ROOT_PATH + '/lib')); 18 app.use('/lib/', express.static(ROOT_PATH + '/lib'));
19 +app.use('/test/', express.static(ROOT_PATH + '/test'));
19 20
20 app.get('/', function(req, res){ 21 app.get('/', function(req, res){
21 res.sendFile(ROOT_PATH + '/index.html'); 22 res.sendFile(ROOT_PATH + '/index.html');
......
1 +<!doctype html>
2 +<html lang="zh-cn">
3 +<meta name="viewport" content="width=device-width, user-scalable=no">
4 +<head>
5 + <meta charset="UTF-8">
6 + <title>lrz4 demo&test</title>
7 +
8 + <link rel="stylesheet" href="../lib/bootstrap/3.3.5/css/bootstrap.min.css"/>
9 + <style>
10 + img {
11 + width: 100%;
12 + max-width: 320px;
13 + padding: 10px 15px;
14 + }
15 +
16 + .tip {
17 + position: relative;
18 + top: 15px;
19 + right: 10px;
20 + }
21 + </style>
22 +</head>
23 +<body>
24 +<div class="navbar navbar-default">
25 + <div class="pull-right tip text-muted">遇到问题时请截图到 <a
26 + href="https://github.com/think2011/localResizeIMG/issues">issues</a>
27 + </div>
28 + <div class="container">
29 + <div class="navbar-header">
30 + <a href="./" class="navbar-brand">Lrz4</a>
31 + </div>
32 + </div>
33 +</div>
34 +
35 +<div class="container">
36 +
37 + <div class="row">
38 + <div class="col-xs-12 text-center">
39 + <h3 style="margin-top: 0;">上传图片测试</h3>
40 + <small><a href="server.html">切换至带服务端演示</a></small>
41 + <br>
42 + <small class="text-muted">配置：宽度不超过800，高度适应，70%压缩率</small>
43 + <br>
44 + <small class="text-muted UA">UA</small>
45 + <hr/>
46 + </div>
47 +
48 + <div id="upload-container" class="col-xs-12 text-center">
49 + <input accept="image/*" type="file"/>
50 + </div>
51 +
52 + <div class="col-xs-12 text-center">
53 + <hr/>
54 + <h3>旋转方向测试</h3>
55 + <small class="text-muted">看到的图像应该全是一个方向的，没见到图片是出问题了</small>
56 + <hr/>
57 + </div>
58 +
59 + <div class="col-xs-6 text-center">
60 + <img data-src="img/orientation_1.JPG?v=49ec2ec"
61 + src="http://placehold.it/1x1" alt="点击载入"/>
62 +
63 + <p>方向为【1】的图片</p>
64 + </div>
65 + <div class="col-xs-6 text-center">
66 + <img data-src="img/orientation_3.JPG?v=c393d29"
67 + src="http://placehold.it/1x1" alt="点击载入"/>
68 +
69 + <p>方向为【3】的图片</p>
70 + </div>
71 + <div class="col-xs-6 text-center">
72 + <img data-src="img/orientation_6.JPG?v=cd9d967"
73 + src="http://placehold.it/1x1" alt="点击载入"/>
74 +
75 + <p>方向为【6】的图片</p>
76 + </div>
77 + <div class="col-xs-6 text-center">
78 + <img data-src="img/orientation_8.JPG?v=619646c"
79 + src="http://placehold.it/1x1" alt="点击载入"/>
80 +
81 + <p>方向为【8】的图片</p>
82 + </div>
83 + </div>
84 +</div>
85 +
86 +<footer class="text-center">
87 + <hr/>
88 + <p class="text-muted"><a href="https://github.com/think2011/localResizeIMG">
89 + localResizeIMG(<span id="version"></span>版) by think2011</a>
90 + </p>
91 +</footer>
92 +
93 +
94 +<script src="../lib/lrz/lrz.bundle.js"></script>
95 +<script src="./index.js?v=27ce5f7"></script>
96 +</body>
97 +</html>
1 +window.onerror = function (errMsg, scriptURI, lineNumber, columnNumber, errorObj) {
2 + setTimeout(function () {
3 + var rst = {
4 + "错误信息：": errMsg,
5 + "出错文件：": scriptURI,
6 + "出错行号：": lineNumber,
7 + "出错列号：": columnNumber,
8 + "错误详情：": errorObj
9 + };
10 +
11 + console.log('出错了，下一步将显示错误信息');
12 + console.log(JSON.stringify(rst, null, 10));
13 + });
14 +};
15 +
16 +
17 +[].forEach.call(document.querySelectorAll('[data-src]'), function (el) {
18 + (function (el) {
19 + el.addEventListener('click', function () {
20 + el.src = 'img/loading.gif';
21 +
22 + lrz(el.dataset.src)
23 + .then(function (rst) {
24 + el.src = rst.base64;
25 +
26 +
27 + return rst;
28 + });
29 + });
30 +
31 + fireEvent(el, 'click');
32 + })(el);
33 +});
34 +
35 +
36 +document.querySelector('input').addEventListener('change', function () {
37 + var that = this;
38 +
39 + lrz(that.files[0], {
40 + width: 800
41 + })
42 + .then(function (rst) {
43 + var img = new Image(),
44 + div = document.createElement('div'),
45 + p = document.createElement('p'),
46 + sourceSize = toFixed2(that.files[0].size / 1024),
47 + resultSize = toFixed2(rst.fileLen / 1024),
48 + scale = parseInt(100 - (resultSize / sourceSize * 100));
49 +
50 + p.style.fontSize = 13 + 'px';
51 + p.innerHTML = '源文件：<span class="text-danger">' +
52 + sourceSize + 'KB' +
53 + '</span> <br />' +
54 + '压缩后传输大小：<span class="text-success">' +
55 + resultSize + 'KB (省' + scale + '%)' +
56 + '</span> ';
57 +
58 + div.className = 'col-sm-6';
59 + div.appendChild(img);
60 + div.appendChild(p);
61 +
62 + img.onload = function () {
63 + document.querySelector('#upload-container').appendChild(div);
64 + };
65 +
66 + img.src = rst.base64;
67 +
68 + /* /!* ==================================================== *!/
69 + // 原生ajax上传代码，所以看起来特别多 ╮(╯_╰)╭，但绝对能用
70 + // 其他框架，例如ajax处理formData略有不同，请自行google，baidu。
71 + var xhr = new XMLHttpRequest();
72 + xhr.open('POST', '/upload');
73 +
74 + xhr.onload = function () {
75 + if (xhr.status === 200) {
76 + // 上传成功
77 + } else {
78 + // 处理其他情况
79 + }
80 + };
81 +
82 + xhr.onerror = function () {
83 + // 处理错误
84 + };
85 +
86 + // issues #45 提到似乎有兼容性问题,关于progress
87 + xhr.upload.onprogress = function (e) {
88 + // 上传进度
89 + var percentComplete = ((e.loaded / e.total) || 0) * 100;
90 + };
91 +
92 + // 添加参数和触发上传
93 + rst.formData.append('a', '我是参数');
94 + xhr.send(rst.formData);
95 + /!* ==================================================== *!/*/
96 +
97 + return rst;
98 + });
99 +});
100 +
101 +document.querySelector('#version').innerHTML = lrz.version;
102 +document.querySelector('.UA').innerHTML = 'UA: ' + navigator.userAgent;
103 +
104 +function toFixed2 (num) {
105 + return parseFloat(+num.toFixed(2));
106 +}
107 +
108 +/**
109 + * 替换字符串 !{}
110 + * @param obj
111 + * @returns {String}
112 + * @example
113 + * '我是!{str}'.render({str: '测试'});
114 + */
115 +String.prototype.render = function (obj) {
116 + var str = this, reg;
117 +
118 + Object.keys(obj).forEach(function (v) {
119 + reg = new RegExp('\\!\\{' + v + '\\}', 'g');
120 + str = str.replace(reg, obj[v]);
121 + });
122 +
123 + return str;
124 +};
125 +
126 +/**
127 + * 触发事件 - 只是为了兼容演示demo而已
128 + * @param element
129 + * @param event
130 + * @returns {boolean}
131 + */
132 +function fireEvent (element, event) {
133 + var evt;
134 +
135 + if (document.createEventObject) {
136 + // IE浏览器支持fireEvent方法
137 + evt = document.createEventObject();
138 + return element.fireEvent('on' + event, evt)
139 + }
140 + else {
141 + // 其他标准浏览器使用dispatchEvent方法
142 + evt = document.createEvent('HTMLEvents');
143 + // initEvent接受3个参数：
144 + // 事件类型，是否冒泡，是否阻止浏览器的默认行为
145 + evt.initEvent(event, true, true);
146 + return !element.dispatchEvent(evt);
147 + }
148 +}
149 +
150 +/**
151 + *
152 + * 　　　┏┓　　　┏┓
153 + * 　　┏┛┻━━━┛┻┓
154 + * 　　┃　　　　　　　┃
155 + * 　　┃　　　━　　　┃
156 + * 　　┃　┳┛　┗┳　┃
157 + * 　　┃　　　　　　　┃
158 + * 　　┃　　　┻　　　┃
159 + * 　　┃　　　　　　　┃
160 + * 　　┗━┓　　　┏━┛Code is far away from bug with the animal protecting
161 + * 　　　　┃　　　┃ 神兽保佑,代码无bug
162 + * 　　　　┃　　　┃
163 + * 　　　　┃　　　┗━━━┓
164 + * 　　　　┃　　　　　 ┣┓
165 + * 　　　　┃　　　　 ┏┛
166 + * 　　　　┗┓┓┏━┳┓┏┛
167 + * 　　　　　┃┫┫　┃┫┫
168 + * 　　　　　┗┻┛　┗┻┛
169 + *
170 + */
This diff is collapsed. Click to expand it.
1 +<!doctype html>
2 +<html lang="zh-cn">
3 +<meta name="viewport" content="width=device-width, user-scalable=no">
4 +<head>
5 + <meta charset="UTF-8">
6 + <title>lrz4 demo&test</title>
7 +
8 + <link rel="stylesheet" href="../lib/bootstrap/3.3.5/css/bootstrap.min.css"/>
9 + <style>
10 + img {
11 + width: 100%;
12 + max-width: 320px;
13 + padding: 10px 15px;
14 + }
15 +
16 + .tip {
17 + position: relative;
18 + top: 15px;
19 + right: 10px;
20 + }
21 + </style>
22 +</head>
23 +<body>
24 +<div class="navbar navbar-default">
25 + <div class="pull-right tip text-muted">遇到问题时请截图到 <a
26 + href="https://github.com/think2011/localResizeIMG/issues">issues</a>
27 + </div>
28 + <div class="container">
29 + <div class="navbar-header">
30 + <a href="./" class="navbar-brand">Lrz4 </a>
31 + </div>
32 + </div>
33 +</div>
34 +
35 +<div class="container">
36 + <div class="row">
37 + <div class="col-xs-12 text-center">
38 + <h3 style="margin-top: 0;">上传图片测试</h3>
39 + <small><a href="index.html">切换至无服务端演示</a></small>
40 + <div>
41 + <progress value="0" max="100"></progress>
42 + </div>
43 +
44 + <small class="text-muted">配置：宽度不超过800，高度适应，70%压缩率</small>
45 + <br/>
46 + <small class="text-muted">演示服务端是跨域上传且免费的,所以较慢,请耐心等待..</small>
47 + <br/>
48 + <small class="text-muted UA">UA</small>
49 + <hr/>
50 + </div>
51 +
52 + <div id="upload-container" class="col-xs-12 text-center">
53 + <input accept="image/*" type="file"/>
54 + </div>
55 +
56 + <div class="col-xs-12 text-center">
57 + <hr/>
58 + <h3>旋转方向测试</h3>
59 + <small class="text-muted">看到的图像应该全是一个方向的，没见到图片是出问题了</small>
60 + <hr/>
61 + </div>
62 +
63 + <div class="col-xs-6 text-center">
64 + <img data-src="img/orientation_1.JPG?v=49ec2ec"
65 + src="http://placehold.it/1x1" alt="点击载入"/>
66 +
67 + <p>方向为【1】的图片</p>
68 + </div>
69 + <div class="col-xs-6 text-center">
70 + <img data-src="img/orientation_3.JPG?v=c393d29"
71 + src="http://placehold.it/1x1" alt="点击载入"/>
72 +
73 + <p>方向为【3】的图片</p>
74 + </div>
75 + <div class="col-xs-6 text-center">
76 + <img data-src="img/orientation_6.JPG?v=cd9d967"
77 + src="http://placehold.it/1x1" alt="点击载入"/>
78 +
79 + <p>方向为【6】的图片</p>
80 + </div>
81 + <div class="col-xs-6 text-center">
82 + <img data-src="img/orientation_8.JPG?v=619646c"
83 + src="http://placehold.it/1x1" alt="点击载入"/>
84 +
85 + <p>方向为【8】的图片</p>
86 + </div>
87 + </div>
88 +</div>
89 +
90 +<footer class="text-center">
91 + <hr/>
92 + <p class="text-muted"><a href="https://github.com/think2011/localResizeIMG">
93 + localResizeIMG(<span id="version"></span>版) by think2011</a>
94 + </p>
95 +</footer>
96 +
97 +
98 +<script src="../lib/lrz/lrz.bundle.js"></script>
99 +<script src="./server.js?v=c8aaa97"></script>
100 +</body>
101 +</html>
1 +window.onerror = function (errMsg, scriptURI, lineNumber, columnNumber, errorObj) {
2 + setTimeout(function () {
3 + var rst = {
4 + "错误信息：": errMsg,
5 + "出错文件：": scriptURI,
6 + "出错行号：": lineNumber,
7 + "出错列号：": columnNumber,
8 + "错误详情：": errorObj
9 + };
10 +
11 + console.log('出错了，下一步将显示错误信息');
12 + console.log(JSON.stringify(rst, null, 10));
13 + });
14 +};
15 +
16 +
17 +[].forEach.call(document.querySelectorAll('[data-src]'), function (el) {
18 + (function (el) {
19 + el.addEventListener('click', function () {
20 + el.src = 'img/loading.gif';
21 +
22 + lrz(el.dataset.src)
23 + .then(function (rst) {
24 + el.src = rst.base64;
25 +
26 +
27 + return rst;
28 + });
29 + });
30 +
31 + fireEvent(el, 'click');
32 + })(el);
33 +});
34 +
35 +
36 +document.querySelector('input').addEventListener('change', function () {
37 + var that = this,
38 + progress = document.querySelector('progress');
39 +
40 + lrz(that.files[0], {
41 + width: 1024
42 + })
43 + .then(function (rst) {
44 + var img = new Image(),
45 + div = document.createElement('div'),
46 + p = document.createElement('p'),
47 + sourceSize = toFixed2(that.files[0].size / 1024),
48 + resultSize = toFixed2(rst.fileLen / 1024),
49 + effect = parseInt(100 - (resultSize / sourceSize * 100));
50 +
51 + p.style.fontSize = 13 + 'px';
52 + p.innerHTML = '源文件：<span class="text-danger">!{sourceSize}KB</span> <br>压缩后传输大小：<span class="text-success">!{resultSize}KB (省!{effect}%)</span> '.render({
53 + sourceSize: sourceSize,
54 + resultSize: resultSize,
55 + effect : effect
56 + });
57 +
58 + div.className = 'col-sm-6';
59 + div.appendChild(img);
60 + div.appendChild(p);
61 +
62 + img.onload = function () {
63 + document.querySelector('#upload-container').appendChild(div);
64 + };
65 +
66 + progress.value = 0;
67 +
68 + /* ==================================================== */
69 + // 原生ajax上传代码，所以看起来特别多 ╮(╯_╰)╭，但绝对能用
70 + // 其他框架，例如ajax处理formData略有不同，请自行google，baidu。
71 + var xhr = new XMLHttpRequest();
72 + xhr.open('POST', '/upload');
73 +
74 + xhr.onload = function () {
75 + var data = JSON.parse(xhr.response);
76 +
77 + if (xhr.status === 200) {
78 + // 上传成功
79 + img.src = rst.base64;
80 + progress.value = 0;
81 + } else {
82 + // 处理错误
83 + console.log(data.msg);
84 +
85 + div.remove();
86 + that.value = null;
87 + }
88 + };
89 +
90 + xhr.onerror = function (err) {
91 + console.log('未知错误:' + JSON.stringify(err, null, 2));
92 + div.remove();
93 + that.value = null;
94 + };
95 +
96 + // issues #45 提到似乎有兼容性问题,关于progress
97 + if (xhr.upload) {
98 + try {
99 + xhr.upload.addEventListener('progress', function (e) {
100 + if (!e.lengthComputable) return false;
101 +
102 + // 上传进度
103 + progress.value = ((e.loaded / e.total) || 0) * 100;
104 + });
105 + } catch (err) {
106 + console.error('进度展示出错了,似乎不支持此特性?', err);
107 + }
108 + }
109 +
110 + // 添加参数
111 + rst.formData.append('fileLen', rst.fileLen);
112 + rst.formData.append('xxx', '我是其他参数');
113 +
114 + // 触发上传
115 + xhr.send(rst.formData);
116 + /* ==================================================== */
117 +
118 + return rst;
119 + });
120 +});
121 +
122 +document.querySelector('#version').innerHTML = lrz.version;
123 +document.querySelector('.UA').innerHTML = 'UA: ' + navigator.userAgent;
124 +
125 +function toFixed2 (num) {
126 + return parseFloat(+num.toFixed(2));
127 +}
128 +
129 +/**
130 + * 替换字符串 !{}
131 + * @param obj
132 + * @returns {String}
133 + * @example
134 + * '我是!{str}'.render({str: '测试'});
135 + */
136 +String.prototype.render = function (obj) {
137 + var str = this, reg;
138 +
139 + Object.keys(obj).forEach(function (v) {
140 + reg = new RegExp('\\!\\{' + v + '\\}', 'g');
141 + str = str.replace(reg, obj[v]);
142 + });
143 +
144 + return str;
145 +};
146 +
147 +/**
148 + * 触发事件 - 只是为了兼容演示demo而已
149 + * @param element
150 + * @param event
151 + * @returns {boolean}
152 + */
153 +function fireEvent (element, event) {
154 + var evt;
155 +
156 + if (document.createEventObject) {
157 + // IE浏览器支持fireEvent方法
158 + evt = document.createEventObject();
159 + return element.fireEvent('on' + event, evt)
160 + }
161 + else {
162 + // 其他标准浏览器使用dispatchEvent方法
163 + evt = document.createEvent('HTMLEvents');
164 + // initEvent接受3个参数：
165 + // 事件类型，是否冒泡，是否阻止浏览器的默认行为
166 + evt.initEvent(event, true, true);
167 + return !element.dispatchEvent(evt);
168 + }
169 +}
170 +
171 +/**
172 + * 替换字符串 !{}
173 + * @param obj
174 + * @returns {String}
175 + * @example
176 + * '我是!{str}'.render({str: '测试'});
177 + */
178 +String.prototype.render = function (obj) {
179 + var str = this, reg;
180 +
181 + Object.keys(obj).forEach(function (v) {
182 + reg = new RegExp('\\!\\{' + v + '\\}', 'g');
183 + str = str.replace(reg, obj[v]);
184 + });
185 +
186 + return str;
187 +};
188 +
189 +
190 +if (!('remove' in Element.prototype)) {
191 + Element.prototype.remove = function () {
192 + this.parentNode.removeChild(this);
193 + };
194 +}
195 +
196 +/**
197 + *
198 + * 　　　┏┓　　　┏┓
199 + * 　　┏┛┻━━━┛┻┓
200 + * 　　┃　　　　　　　┃
201 + * 　　┃　　　━　　　┃
202 + * 　　┃　┳┛　┗┳　┃
203 + * 　　┃　　　　　　　┃
204 + * 　　┃　　　┻　　　┃
205 + * 　　┃　　　　　　　┃
206 + * 　　┗━┓　　　┏━┛Code is far away from bug with the animal protecting
207 + * 　　　　┃　　　┃ 神兽保佑,代码无bug
208 + * 　　　　┃　　　┃
209 + * 　　　　┃　　　┗━━━┓
210 + * 　　　　┃　　　　　 ┣┓
211 + * 　　　　┃　　　　 ┏┛
212 + * 　　　　┗┓┓┏━┳┓┏┛
213 + * 　　　　　┃┫┫　┃┫┫
214 + * 　　　　　┗┻┛　┗┻┛
215 + *
216 + */