原生js编写图片裁剪上传效果代码
代码语言:html
所属分类:上传
代码描述:原生js编写图片裁剪上传效果代码
下面为部分代码预览,完整代码请点击下载或在bfwstudio webide中打开
<!DOCTYPE html> <html> <head> <meta charset="UTF-8"> <style> /*页面其他样式*/ body{width:auto;height:auto;margin:0;padding:10px;} #inputBox{width:300px;height:20px;} #ZHLCutBox{display:none;padding:0 0 10px 0;position:absolute;top:0;left:0;border:1px solid #ccc;background:#fff;} /*裁剪控件样式*/ button{margin:10px;} #ZHLCutCon,#ZHLCutSee{margin:0 10px; 10px 10px;} #ZHLCutCon{min-width:500px;min-height:500px;max-width:100%;max-height:100%;border:1px solid #ccc;position:relative;} #ZHLCutDeImg{position:absolute;z-index:1;user-select: none;display:none;} #ZHLCutE{position:absolute;z-index:3;background:#fff;opacity:0.4;user-select: none;} </style> </head> <body> <!-- 普通表单 --> <form action="" method="post" autocomplete="off"> <!-- 这里只获得图片路径进行保存即可(点击这里触发裁剪空间并上传文件然后返回图片路径) --> <input type="text" id="inputBox" placeholder="点击上传图片" /> <input type="submit" value="保存"> </form> <!-- 裁剪控件 可以用js动态添加--> <!-- <div id="ZHLCutBox"> <input type="file" id="ZHLCutSelect" hidefocus style="display:none"> <button onclick="ZHLCutSelect.click()">选择文件</button> <button id="ZHLCutGo">裁剪</button> <button id="ZHLCutSub">上传</button> <button id="ZHLCupCloseBtn">关闭</button> <div id="ZHLCutSee"></div> <div id="ZHLCutCon"> <img src="" id="ZHLCutDeImg" /> <div id="ZHLCutE"></div> </div> </div> --> <script> /** * 初始值 */ addZHLCutTool(); // 初始html元素 var divBorder = 2; // 裁剪区边框 var cutAreaWidth = 150; // 裁剪区宽 var cutAreaHeight = 100;// 裁剪区高 var ZHLCutConWidth = 500; // 容器初始宽 var ZHLCutConHeight = 500; // 容器初始高 var ZHLCutE = document.getElementById('ZHLCutE'); ZHLCutE.style.border = divBorder+'px dashed #111'; ZHLCutE.style.width = cutAreaWidth+'px'; ZHLCutE.style.height = cutAreaHeight+'px'; var ZHLCutCon = document.getElementById('ZHLCutCon'); ZHLCutCon.style.width = ZHLCutConWidth+'px'; ZHLCutCon.style.height = ZHLCutConHeight+'px'; /** * 添加控件html基本元素 */ function addZHLCutTool(){ var ZHLCutBox = document.getElementById("ZHLCutBox"); if(!ZHLCutBox){ let ZHLCutBox = document.createElement("div"); //裁剪控件 let html = ''; html += '<div id="ZHLCutBox">'; html += '<input type="file" id="ZHLCutSelect" hidefocus style="display:none">'; html += '<button onclick="ZHLCutSelect.click()">选择文件</button>'; html += '<button id="ZHLCutGo">裁剪</button>'; html += '<button id="ZHLCutSub">上传</button>'; html += '<button id="ZHLCupCloseBtn">关闭</button>'; html += '<div id="ZHLCutSee"></div>'; html += '<div id="ZHLCutCon">'; html += '<img src="" id="ZHLCutDeImg" />'; html += '<div id="ZHLCutE"></div>'; html += '</div>'; html += '</div>'; document.body.appendChild(ZHLCutBox); ZHLCutBox.i.........完整代码请登录后点击上方下载按钮下载查看
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