<html><meta http-equiv="Content-Type" content="text/html; charset=utf-8"><body><table style="width:150px; word-break:break-all; -ms-word-break: break-all;" id="test"> <tr> <td>''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''' </td></tr> <tr> <td>'''''''''' '''''''''''''' ''''''''''''''' '''''' '''''''''''' '''''''''''''' ''''''''''''''' ''''''''''''''' ''''''''''aaaaaaaaaaaaaaaaaaaa </td> </tr> <tr> <td>eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee </td></tr></table></body></html>
用固定表格+word-wrap试试：
