标签:复制到 el Cocos selection Creator cc style originalRange document
建一个ts文件,js文件不行,复制下面的代码,在场景中给button绑定事件
// Learn TypeScript: // - https://docs.cocos.com/creator/manual/en/scripting/typescript.html // Learn Attribute: // - https://docs.cocos.com/creator/manual/en/scripting/reference/attributes.html // Learn life-cycle callbacks: // - https://docs.cocos.com/creator/manual/en/scripting/life-cycle-callbacks.html const {ccclass, property} = cc._decorator; @ccclass export default class CopyText extends cc.Component { @property(cc.Label) _textDisplayArea: cc.Label = null; start () { this._textDisplayArea = cc.find("Canvas/文字展示区/ScrollView/view/content/item").getComponent(cc.Label); } //拷贝文本 CopyTextEvent () { let input = this._textDisplayArea.string; const el = document.createElement('textarea'); el.value = input; // Prevent keyboard from showing on mobile el.setAttribute('readonly', ''); el.style.contain = 'strict'; el.style.position = 'absolute'; el.style.left = '-9999px'; el.style.fontSize = '12pt'; // Prevent zooming on iOS const selection = getSelection(); let originalRange; if (selection.rangeCount > 0) { originalRange = selection.getRangeAt(0); } document.body.appendChild(el); el.select(); // Explicit selection workaround for iOS el.selectionStart = 0; el.selectionEnd = input.length; let success = false; try { success = document.execCommand('copy'); } catch (err) {} document.body.removeChild(el); if (originalRange) { selection.removeAllRanges(); selection.addRange(originalRange); } console.log("拷贝文本"); } }
标签:复制到,el,Cocos,selection,Creator,cc,style,originalRange,document 来源: https://www.cnblogs.com/Jason-c/p/12891340.html
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