📄 addproduct.jsp

📁 使用jsp+Servlet,采用MVC模式,实现了一典型小型电子商务网站的全过程.包括前台和后台的全部功能.适合于初学者学习使用.
💻 JSP
字号:
<%@ page language="java" import="java.util.*" pageEncoding="gb2312"%>
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<HTML> 
	<HEAD>
		<title>添加新产品</title>
		<link href="../css/style.css" rel="stylesheet" type="text/css">
		<script language="JavaScript" type="text/javascript" src="../js/string.js"></script>
<script language="JavaScript">
var str=document.form1.productid.value;

function check()
{               
	 if(document.form1.name.value=="")
     {
	   window.alert("请输入产品名称");
	   document.form1.name.focus();
	   return false;
	   }
	 if(document.form1.descn.value=="")
     {
	   window.alert("请输入产品描述！");
	   document.form1.descn.focus();
	   return false;
	   }  	    
	var str=document.form1.productid.value;
	var length=str.length
    if (document.form1.productid.value == "") {
        alert("请输入产品编号");
        document.form1.productid.focus();
        return false;
    }
    if(length>10||lenth<0){
		alert("产品编号的长度必须小于10");
		document.form1.productid.focus();
		return false;
	}
    for(var i = 0; i < str.length; ++i) {
        if((str.charAt(i)<'0') || (str.charAt(i)>'9')) {
        document.form1.productid.focus();
        alert("产品编号请输入数字")
        return false;
        }   
      return true;
	}


	
	
	
	
	return true;
}
</script>
</HEAD>

	<body>
		<form  action="productSave" id="form1" method="post" name="form1" onSubmit="return check()">
			<table height="100%" cellSpacing="0" cellPadding="0" width="100%" align="center" border="0">
					<tr>
						
      <td vAlign="top" width="19" bgColor="#f5f5f5"><img src="../images/main_01.gif"></td>
						<td width="1" bgColor="#e0e0e0"><IMG src="../images/space.gif"></td>
						<td class="main02_bg" vAlign="top">
							<table width="100%" border="0" cellspacing="0" cellpadding="0">
								<tr>
									<td class="main02_top">&nbsp;</td>
								</tr>
							</table>
							<table width="100%" border="0" align="center" cellpadding="0" cellspacing="0">
								<tr>
									<td vAlign="bottom" width="40" height="35"><IMG src="../images/dot21.gif"></td>
									
            <td valign="bottom">添加新产品：增加</td>
									<td valign="bottom" align="right">
										<a class="a_main02" href="#"> &nbsp;</a>	
										<a class="a_main02">&nbsp;</a>										
									</td>
								</tr>
							</table>
							
							
        <table width="100%" border="0" align="center" class="main02_table" cellpadding="0" cellspacing="0">
          <tr> 
            <td width="20%" class="main02_listbg1"><img src="../images/dot06.gif">选择产品类别</td>
            <td width="80%" class="main02_listbg2"> 
            <select name="category">
            	<c:forEach var="beans" items="${list}">
            	<option value="${beans.catid}">${beans.name}</option>
            	</c:forEach>
             </select>
             </td>
          </tr>
          <tr> 
            <td width="20%" class="main02_listbg1"><img src="../images/dot06.gif">产品编号</td>
            <td class="main02_listbg2"> <input type="text" name="productid" class="main02_box" maxlength="40"> 
            </td>
          </tr>
          <tr> 
            <td width="20%" class="main02_listbg1"><img src="../images/dot06.gif">产品名称</td>
            <td class="main02_listbg2"> <input type="text" name="name" class="main02_box" maxlength="40"> 
            </td>
          </tr>
          <tr> 
            <td width="20%" class="main02_listbg1"><img src="../images/dot06.gif">产品描述</td>
            <td class="main02_listbg2"> 
              <textarea name="descn" rows="5"></textarea> </td>
          </tr>
          <tr> 
            <td width="20%" class="main02_listbg1"><IMG src="../images/dot06.gif"> 
              <input type="submit" value="提交" name="submit"> <input type="reset" value="重置" name="reset"> 
            </td>
            <td class="main02_listbg2">&nbsp;</td>
          </tr>
        </table>
					</td>
					</tr>
			</table>

		</form>
	</body>
</HTML>
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