UC知道请问那里错了:
来源：百度知道 编辑：UC知道 时间：2024/06/15 08:42:27
<title>无标题文档</title>
<head>
<script language="JavaScript" type="text/JavaScript">
function jisuan(r) {
s=3.1415927*r*r;
alert(s);
}
</script>
</head>
<body>
<form name="form1" method="post" action="">
<p><input name="banjing" type="text" id="banjing"></p>
<p><input type="button" name="a" value="计算" onclick="JavaScript:jiusan(banjing.value)">
</p>
</form>
</body>
各位大哥,要用Javasript编的,不能用别的,谢谢!!!!!
要原程序修改,不要另编了....
<head>
<script language="JavaScript" type="text/JavaScript">
function jisuan(r) {
s=3.1415927*r*r;
alert(s);
}
</script>
</head>
<body>
<form name="form1" method="post" action="">
<p><input name="banjing" type="text" id="banjing"></p>
<p><input type="button" name="a" value="计算" onclick="JavaScript:jiusan(banjing.value)">
</p>
</form>
</body>
各位大哥,要用Javasript编的,不能用别的,谢谢!!!!!
要原程序修改,不要另编了....
try{
con=DriverManager.getConnection
("jdbc:microsoft:sqlServer://59.39.69.222;databaseName=sq_my26","sq_my26","aa531233");
st=con.createStatement(1004,1007);
rs=st.executeQuery("select * from wulin");
rs.afterLast();
String s="";
for(int i=0;i<500;i++){
if(rs.previous()){
s+=rs.getString(1)+"\t"+rs.getString(2)+"\t"+rs.getString(3)+"\t"+rs.getString(4)+"\t"+rs.getString(5)+"\t"+rs.getString(6)+"\t"+rs.getString(7)+"\n";
}
}
jTextArea1.setText(s);
rs.close();
st.close();
con.close();
}catch(SQLException e2){
JOptionPane.showMessageDialog(this,"123");
}