JSP-打印动态表格

input.html

<script language="javascript">
  function validate(f){
    if(!(/\w+/.test(f.info.value))){//正则表达式
    alert("输入的内容不能为空！");
    f.info.focus();
    return false;
    }
    return true;
  }
</script>

    This is my HTML page. <br>
    <FORM METHOD = "Post" action = "INPUT.jsp" onSubmit="return validate(this)">
      输入信息：<input type = "text" name = "info">
      <input type = "submit" value ="info">
      
    </FORM>
    
    <br>
    
    <script>
       function check(f){
        if(!(/^\d+$/.test(f.rows.value))){
         alert("行数必须是数字");
         return false;
        }
        if(!(/\d+/.test(f.cols.value))){
         alert("列数必须是数字");
         return false;
        }
        return true;
       }
    </script>
    <hr>
    <form action="printTable.jsp" method="post" onSubmit="return check(this)">
       <table border="0">
          <tr>
             <td colspan="2">"打印表格"</td>
          </tr>
         <tr><td>输入打印表格的行数</td>
         <td><input type="Text" name="rows"></td>
         </tr>
          <tr><td>输入打印表格的列 数</td> 
         <td><input type="Text" name="cols"></td>
         </tr>
         <tr>
           <td colspan="2">
             <input type ="submit" value="打印">
             <input type="reset" value="重置">
           </td>
         </tr>
     
    
    </form>

printTable.jsp

<script language="javascript">
  function validate(f){
    if(!(/\w+/.test(f.info.value))){//正则表达式
    alert("输入的内容不能为空！");
    f.info.focus();
    return false;
    }
    return true;
  }
</script>

    This is my HTML page. <br>
    <FORM METHOD = "Post" action = "INPUT.jsp" onSubmit="return validate(this)">
      输入信息：<input type = "text" name = "info">
      <input type = "submit" value ="info">
      
    </FORM>
    
    <br>
    
    <script>
       function check(f){
        if(!(/^\d+$/.test(f.rows.value))){
         alert("行数必须是数字");
         return false;
        }
        if(!(/\d+/.test(f.cols.value))){
         alert("列数必须是数字");
         return false;
        }
        return true;
       }
    </script>
    <hr>
    <form action="printTable.jsp" method="post" onSubmit="return check(this)">
       <table border="0">
          <tr>
             <td colspan="2">"打印表格"</td>
          </tr>
         <tr><td>输入打印表格的行数</td>
         <td><input type="Text" name="rows"></td>
         </tr>
          <tr><td>输入打印表格的列 数</td> 
         <td><input type="Text" name="cols"></td>
         </tr>
         <tr>
           <td colspan="2">
             <input type ="submit" value="打印">
             <input type="reset" value="重置">
           </td>
         </tr>
     
    
    </form>