用js模仿word格式刷功能實現代碼 [推薦]

2019-11-21 01:15:00

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<html> <head> <title>Format Brush</title> </head> <style> table{ border: solid #ccc 1px; } td{ border: solid #ccc 1px; width: 140px; height: 25px; } .selected{ border: solid red 1px; } a{ text-decoration: none; color: black; font-weight: bold; } .b{ } .i{ font-style: italic; } .u{ text-decoration: underline; } .s{ text-decoration: line-through; } .r{ color: red; } </style> <body> <div> <a href="javascript:setBold();" class='b'>B</a>    <a href="javascript:setItalic();" class="i">I</a>    <a href="javascript:setUnderline();" class="u">U</a>    <a href="javascript:setLineThrough();" class="s">S</a>    <a href="javascript:setRedColor();" class="r">R</a>    <a href="javascript:doBrush(this);" class="">Brush</a> <span id="tip" style="display: none;">再次點擊Brush以結束使用格式刷</span> </div> <table id='t' cellpadding='0' cellspacing='0' border='1'> <tr><td class="selected">column1</td><td>column2</td><td>column3</td><td>column4</td></tr> <tr><td>column1</td><td>column2</td><td>column3</td><td>column4</td></tr> <tr><td>column1</td><td>column2</td><td>column3</td><td>column4</td></tr> <tr><td>column1</td><td>column2</td><td>column3</td><td>column4</td></tr> <tr><td>column1</td><td>column2</td><td>column3</td><td>column4</td></tr> <tr><td>column1</td><td>column2</td><td>column3</td><td>column4</td></tr> <tr><td>column1</td><td>column2</td><td>column3</td><td>column4</td></tr> </table>  用法：上下左右鍵移動單元格， 點格式化按扭格式化當前單元格，  點Brush準備使用格式刷，然后點任意單元格就會把當前單元格格式拷貝到被點擊的單元格。  轉載請注明來自：http://blog.csdn.net/sunxing007 </body> <script> //輔助函數 function $(id){return document.getElementById(id);} var tb = $('t'); var selectedCell = tb.rows[0].cells[0];//當前被選擇的單元格。 var brushing = false;//是否正在使用刷子 function setBold(){ selectedCell.style.fontWeight = "bold"; } function setItalic(){ selectedCell.style.fontStyle = "italic"; } function setUnderline(){ selectedCell.style.textDecoration = "underline"; } function setLineThrough(){ selectedCell.style.textDecoration = "line-through"; } function setRedColor(){ selectedCell.style.color = "red"; } //格式拷貝 function copyFormat(source, dist){ dist.style.fontWeight = source.style.fontWeight; dist.style.fontStyle = source.style.fontStyle; dist.style.textDecoration = source.style.textDecoration; dist.style.color = source.style.color; } function doBrush(e){ if(!brushing){ $('tip').style.display = ''; } else{ $('tip').style.display = 'none'; } brushing = !brushing; } document.onkeydown=function(){ window.status = event.keyCode; switch(event.keyCode){ case 37: { moveLeft(); break; } case 38: { moveUp(); break; } case 39: { moveRight(); break; } case 40: { moveDown(); break; } } } function moveLeft(){ if(selectedCell&&selectedCell.previousSibling){ selectedCell.className=''; selectedCell = selectedCell.previousSibling; selectedCell.className = 'selected'; } } function moveRight(){ if(selectedCell&&selectedCell.nextSibling){ selectedCell.className=''; selectedCell = selectedCell.nextSibling; selectedCell.className = 'selected'; } } function moveUp(){ if(selectedCell&&selectedCell.parentNode&&selectedCell.parentNode.previousSibling){ selectedCell.className=''; var _index = selectedCell.cellIndex; selectedCell = selectedCell.parentNode.previousSibling.cells[_index]; selectedCell.className = 'selected'; } } function moveDown(){ if(selectedCell&&selectedCell.parentNode&&selectedCell.parentNode.nextSibling){ selectedCell.className=''; var _index = selectedCell.cellIndex; selectedCell = selectedCell.parentNode.nextSibling.cells[_index]; selectedCell.className = 'selected'; } } document.body.onload = function(){ for(var i=0; i<tb.rows.length; i++){ for(var j=0; j<tb.rows[i].cells.length; j++){ tb.rows[i].cells[j].onclick = function(){ if(brushing){ copyFormat(selectedCell, this); } }; } } } </script> </html>

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