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| 1 | +import React from 'react'; |
| 2 | +import vendor from '../../../lib/vendor'; |
| 3 | +import ReactCoreImageUpload from '../../../src/index'; |
| 4 | +import Highlight from 'react-highlight.js'; |
| 5 | + |
| 6 | +export default class CnCropImage extends React.Component { |
| 7 | + constructor(props) { |
| 8 | + super(props); |
| 9 | + this.state = { |
| 10 | + src: 'http://img1.vued.vanthink.cn/vued7553a09a5d5209ebd00a48264394b7f3.png', |
| 11 | + cropSrc: 'http://img1.vued.vanthink.cn/vued7553a09a5d5209ebd00a48264394b7f3.png', |
| 12 | + cropArgs: { |
| 13 | + toCropImgH: '?', |
| 14 | + toCropImgW: '?', |
| 15 | + toCropImgX: '?', |
| 16 | + toCropImgY: '?', |
| 17 | + }, |
| 18 | + }; |
| 19 | + this.cropLocalImageUploaded = this.cropLocalImageUploaded.bind(this); |
| 20 | + this.crpoServerImageUploaded = this.crpoServerImageUploaded.bind(this); |
| 21 | + } |
| 22 | + |
| 23 | + render() { |
| 24 | + return ( |
| 25 | + <div className="components"> |
| 26 | + <h3>裁剪图片</h3> |
| 27 | + <p>你可以通过设置 <code>crop</code>,来实现图片的裁剪。你可以指定图片裁剪的宽高,以及它的最大宽度和高度这些参数。</p> |
| 28 | + <p>设置 <code>cropRatio</code>来限制裁剪图片的形状,需要字符串的格式(1:1 或者2:3这种比例形式),当然你可以设置为 auto 则不限制裁剪框的形状。</p> |
| 29 | + <p className="warnning"> 设置图片裁剪后,批量上传将不再生效。</p> |
| 30 | + <p>图片裁剪完有两种选择,选择<strong>本地裁剪<code>local</code></strong>或者<strong>服务端裁剪 <code>server</code></strong>。</p> |
| 31 | + <h4>本地裁剪</h4> |
| 32 | + <p>你可以将 crop 设置为 local 来实现本地裁剪。本地裁剪完成后发送给服务端接口的图片便是已经裁剪好的图片。</p> |
| 33 | + <div className="center"> |
| 34 | + <div className="user"> |
| 35 | + <img className="avatar" src={this.state.src}/> |
| 36 | + </div> |
| 37 | + <ReactCoreImageUpload |
| 38 | + className="btn btn-primary" |
| 39 | + imageUploaded={this.imageUploded} |
| 40 | + maxFileSize={5242880} |
| 41 | + crop="local" |
| 42 | + compress={50} |
| 43 | + url="http://101.198.151.190/api/upload.php" > |
| 44 | + </ReactCoreImageUpload> |
| 45 | + </div> |
| 46 | + <h4>服务端裁剪</h4> |
| 47 | + <p>服务端裁剪是指将原图片和裁剪的参数一起发给后端,方便服务端保存原图,以及对原图的其他操作,而服务端能够接收到post的参数如下:</p> |
| 48 | + <img src="http://img1.vued.vanthink.cn/vueda26e41f79edd6208ec92f6ce915e558a.png" /> |
| 49 | + <p>每个字段具体说明如下:</p> |
| 50 | + <ul> |
| 51 | + <li><code>toCropImgX</code>: 裁剪的区域距离图片的左边缘的距离</li> |
| 52 | + <li><code>toCropImgY</code>: 裁剪的区域距离图片的上边缘的距离</li> |
| 53 | + <li><code>toCropImgW</code>: 裁剪的区域的宽度</li> |
| 54 | + <li><code>toCropImgH</code>: 裁剪的区域的高度</li> |
| 55 | + <li><code>maxWidth</code>: 你期望裁剪的图片的最大宽度</li> |
| 56 | + <li><code>maxHeight</code>: 你期望裁剪的图片的最大高度</li> |
| 57 | + </ul> |
| 58 | + <p>裁剪区域的样式,你可以自行复写样式进行覆盖</p> |
| 59 | + <h4>服务端裁剪DEMO</h4> |
| 60 | + <p>上传图片后可以看到裁剪的参数</p> |
| 61 | + <div className="center"> |
| 62 | + <div className="user"> |
| 63 | + <img className="avatar" src={this.state.cropSrc}/> |
| 64 | + </div> |
| 65 | + <ReactCoreImageUpload |
| 66 | + className="btn btn-primary" |
| 67 | + imageUploaded={this.crpoServerImageUploaded} |
| 68 | + maxFileSize={5242880} |
| 69 | + crop="server" |
| 70 | + url="http://101.198.151.190/api/crop.php" > |
| 71 | + </ReactCoreImageUpload> |
| 72 | + </div> |
| 73 | + <table className="m-table bordered" style={{ width: '100%' }}> |
| 74 | + <thead> |
| 75 | + <tr> |
| 76 | + <th>H</th> |
| 77 | + <th>W</th> |
| 78 | + <th>X</th> |
| 79 | + <th>Y</th> |
| 80 | + </tr> |
| 81 | + </thead> |
| 82 | + <tbody> |
| 83 | + <tr> |
| 84 | + <td>{this.state.cropArgs.toCropImgH}</td> |
| 85 | + <td>{this.state.cropArgs.toCropImgW}</td> |
| 86 | + <td>{this.state.cropArgs.toCropImgX}</td> |
| 87 | + <td>{this.state.cropArgs.toCropImgY}</td> |
| 88 | + </tr> |
| 89 | + </tbody> |
| 90 | + </table> |
| 91 | + <p>Code Example</p> |
| 92 | + |
| 93 | + <p>设置<code>resize="server"</code>同理,会上传原图片,只是会在服务端的参数自动添加裁剪的比例 <code>imgChangeRatio</code>。</p> |
| 94 | + <a href="https://github.com/Vanthink-UED/vue-core-image-upload/blob/master/site/client/components/doc/cn/ResizeImage.vue">View Code Source</a> |
| 95 | + </div> |
| 96 | + ); |
| 97 | + } |
| 98 | + |
| 99 | + cropLocalImageUploaded(res) { |
| 100 | + this.src = res.data.src; |
| 101 | + } |
| 102 | + |
| 103 | + crpoServerImageUploaded(res) { |
| 104 | + if (res.errcode === 0) { |
| 105 | + this.setState({ |
| 106 | + cropArgs: { |
| 107 | + toCropImgH: parseInt(res.data.post.toCropImgH), |
| 108 | + toCropImgW: parseInt(res.data.post.toCropImgW), |
| 109 | + toCropImgX: parseInt(res.data.post.toCropImgX), |
| 110 | + toCropImgY: parseInt(res.data.post.toCropImgY) |
| 111 | + }, |
| 112 | + cropSrc: 'http://img1.vued.vanthink.cn/vued41b900045d6d44f3b32e06049621b415.png', |
| 113 | + }); |
| 114 | + |
| 115 | + } |
| 116 | + } |
| 117 | + |
| 118 | +}; |
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