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<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>表格相同內容合并</title>
</head>
<body>
合并前：
<table width="400" border="1">
<tr>
<td>a</td>
<td>1</td>
<td>2</td>
<td>3</td>
<td>4</td>
<td>5</td>
</tr>
<tr>
<td>a</td>
<td>1</td>
<td>2</td>
<td>3</td>
<td>4</td>
<td>6</td>
</tr>
<tr>
<td>a</td>
<td>2</td>
<td>3</td>
<td>3</td>
<td>4</td>
<td> </td>
</tr>
<tr>
<td>b</td>
<td>3</td>
<td>4</td>
<td>6</td>
<td>7</td>
<td> </td>
</tr>
<tr>
<td>b</td>
<td>3</td>
<td>5</td>
<td>6</td>
<td>7</td>
<td> </td>
</tr>
<tr>
<td>cc</td>
<td>2</td>
<td>3</td>
<td>4</td>
<td>5</td>
<td> </td>
</tr>
<tr>
<td>cc</td>
<td>2</td>
<td>3</td>
<td>5</td>
<td>5</td>
<td> </td>
</tr>
<tr>
<td>d</td>
<td>1</td>
<td>2</td>
<td>3</td>
<td>4</td>
<td> </td>
</tr>
<tr>
<td>e</td>
<td>1</td>
<td>2</td>
<td>3</td>
<td>4</td>
<td> </td>
</tr>
</table><br />
合并后：<br />
<table width="400" border="1" id="table1">
<tr>
<td>a</td>
<td>1</td>
<td>2</td>
<td>3</td>
<td>4</td>
<td>5</td>
</tr>
<tr>
<td>a</td>
<td>1</td>
<td>2</td>
<td>3</td>
<td>4</td>
<td>6</td>
</tr>
<tr>
<td>a</td>
<td>2</td>
<td>3</td>
<td>3</td>
<td>4</td>
<td> </td>
</tr>
<tr>
<td>b</td>
<td>3</td>
<td>4</td>
<td>6</td>
<td>7</td>
<td> </td>
</tr>
<tr>
<td>b</td>
<td>3</td>
<td>5</td>
<td>6</td>
<td>7</td>
<td> </td>
</tr>
<tr>
<td>cc</td>
<td>2</td>
<td>3</td>
<td>4</td>
<td>5</td>
<td> </td>
</tr>
<tr>
<td>cc</td>
<td>2</td>
<td>3</td>
<td>5</td>
<td>5</td>
<td> </td>
</tr>
<tr>
<td>d</td>
<td>1</td>
<td>2</td>
<td>3</td>
<td>4</td>
<td> </td>
</tr>
<tr>
<td>e</td>
<td>1</td>
<td>2</td>
<td>3</td>
<td>4</td>
<td> </td>
</tr>
</table>
</body>
</html>
