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javascript - 在 HTML 中向按钮添加操作

转载 作者:行者123 更新时间:2023-11-28 17:56:14 25 4
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<html>
<%@ page import="java.sql.*" %>
<head>
<title>Sarvotam List</title>
<link rel="stylesheet" href="Styles/main.css">
</head>
<body>
<div class="seg">
<form action="main.jsp" method="post">
<table class="data" align="center" width=80%>
<tr>
<th width=20%>Qualification Exam</th>
<th width=20%>Course Type</th>
<th width=20%>Duration</th>
<th width=20%>Number of Cheques</th>
<th width=20%>Course_Category</th>
</tr>
<tr>
<td width=20% align="center"><input type="text" name="qual"
width=20%></td>
<td width=20% align="center"><input type="text" name="ctype"
width=20%></td>
<td width=20% align="center"><input type="number" name="dur"
width=20%></td>
<td width=20% align="center"><input type="number" name="che"
width=20%></td>
<td width=20% align="center"><select name="opt">
<option id="ENG">ENG</option>
<option id="MED">MED</option>
<option id="OTH">OTH</option>
<option id="PG">PG</option>
</select>
</tr>
<tr>
<td width=20% align="center"><input type="text" name="qual"
width=20%></td>
<td width=20% align="center"><input type="text" name="ctype"
width=20%></td>
<td width=20% align="center"><input type="number" name="dur"
width=20%></td>
<td width=20% align="center"><input type="number" name="che"
width=20%></td>
<td width=20% align="center"><select name="opt">
<option id="ENG">ENG</option>
<option id="MED">MED</option>
<option id="OTH">OTH</option>
<option id="PG">PG</option>
</select>
</tr>
<tr>
<td width=20% align="center"><input type="text" name="qual"
width=20%></td>
<td width=20% align="center"><input type="text" name="ctype"
width=20%></td>
<td width=20% align="center"><input type="number" name="dur"
width=20%></td>
<td width=20% align="center"><input type="number" name="che"
width=20%></td>
<td width=20% align="center"><select name="opt">
<option id="ENG">ENG</option>
<option id="MED">MED</option>
<option id="OTH">OTH</option>
<option id="PG">PG</option>
</select>
</tr>
<tr>
<td width=20% align="center"><input type="text" name="qual"
width=20%></td>
<td width=20% align="center"><input type="text" name="ctype"
width=20%></td>
<td width=20% align="center"><input type="number" name="dur"
width=20%></td>
<td width=20% align="center"><input type="number" name="che"
width=20%></td>
<td width=20% align="center"><select name="opt">
<option id="ENG">ENG</option>
<option id="MED">MED</option>
<option id="OTH">OTH</option>
<option id="PG">PG</option>
</select>
</tr>
<tr>
<td width=20% align="center"><input type="text" name="qual"
width=20%></td>
<td width=20% align="center"><input type="text" name="ctype"
width=20%></td>
<td width=20% align="center"><input type="number" name="dur"
width=20%></td>
<td width=20% align="center"><input type="number" name="che"
width=20%></td>
<td width=20% align="center"><select name="opt">
<option id="ENG">ENG</option>
<option id="MED">MED</option>
<option id="OTH">OTH</option>
<option id="PG">PG</option>
</select>
</tr>
</table>
<center><button id="submit" name="save">Submit</button></center>

<% try{
ResultSet rs=null;
Statement st=null;
Connection conn = null;
Class.forName("oracle.jdbc.driver.OracleDriver");
conn =
DriverManager.getConnection("jdbc:oracle:thin:@localhost:1521:XE",
"system", "parents94");
st=conn.createStatement();
int i=0;
String s = request.getParameter("save");
String[] qual=request.getParameterValues("qual");
String[] ctype=request.getParameterValues("ctype");
String[] dur=request.getParameterValues("dur");
String[] noc=request.getParameterValues("che");
String[] cou=request.getParamterValues("opt");
if(s!=null)
while(qual[i].length()!=0){
st.executeUpdate("insert into SCHOL_COURSE_MASTER values('"+qual[i]+"','"+ctype[i]+"','"+dur[i]+"','"+noc[i]+"','"+cou[i]+"')");
i++;
}
conn.close();
st.close();
}
catch(Exception e)
{
e.getMessage();
}
%>
</form>
</div>
</body>
</html>

这是我的代码我需要从表中的用户输入并添加到数据库所有连接均有效但是sql查询并没有导致数据库发生任何变化我只需要帮助如何对其进行编码以在按下提交按钮时工作

最佳答案

向按钮添加提交类型:

<center>
<button type="submit" id="submit" name="save">Submit</button>
</center>

关于javascript - 在 HTML 中向按钮添加操作,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/44384155/

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