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query.jsp的url传参以及Servlet中query方法的逻辑判断 #17

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query.jsp的url传参以及Servlet中query方法的逻辑判断 #17

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6 changes: 6 additions & 0 deletions src/servlet/CustomerServlet.java
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Original file line number Diff line number Diff line change
Expand Up @@ -118,6 +118,12 @@ public String query(HttpServletRequest request, HttpServletResponse response) th
Customer customer = CommonUtils.toBean(request.getParameterMap(), Customer.class);

// System.out.println(getUrl(request));
if(customer.getName()==null && customer.getGender()==null && customer.getEmail()==null && customer.getPhone()==null ) {
c=(Customer)request.getSession().getAttribute("c");
}else {
c = encoding(c);
request.getSession().setAttribute("c", c);
}
customer = encoding(customer);

int pc = getPc(request);
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4 changes: 2 additions & 2 deletions web/query.jsp
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Expand Up @@ -13,8 +13,8 @@
</head>
<body>
<h3 align="center">高级搜索</h3>
<form action="<c:url value="/CustomerServlet"/>" method="get">
<input type="hidden" name="method" value="query">
<form action="<c:url value="/CustomerServlet?method=query"/>" method="get"> //Servlet中的getUrl方法需要读取到menthod参数

<table border="0" align="center" width="40%" style="margin-left: 100px">
<tr>
<td width="100px">客户名称</td>
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