在jsp页面上有这样的代码:
try {
SAXReader saxReader = new SAXReader();
document=saxReader.read(schoolListUrl);//读取远程服务器上的配置文件,如果 远程服务器关闭,则就会报错!
} catch ( Exception e) {
System.out.println(e.toString());
alert("该服务器已关闭!");
}我想catch错误后,提示用户这样的消息,不过运行后,只看到后台的e.string()错误信息,
请问各位大虾,alert("该服务器已关闭")为什么不会执行,如果不行,有没有什么好的办法!
try {
SAXReader saxReader = new SAXReader();
document=saxReader.read(schoolListUrl);//读取远程服务器上的配置文件,如果 远程服务器关闭,则就会报错!
} catch ( Exception e) {
System.out.println(e.toString());
alert("该服务器已关闭!");
}我想catch错误后,提示用户这样的消息,不过运行后,只看到后台的e.string()错误信息,
请问各位大虾,alert("该服务器已关闭")为什么不会执行,如果不行,有没有什么好的办法!
<% try {
SAXReader saxReader = new SAXReader();
document=saxReader.read(schoolListUrl);
} catch ( Exception e) {
System.out.println(e.toString());
%>
<script language="javascript">alerttxt=e.toString();</script>
<%
}
%>
SAXReader saxReader = new SAXReader();
document=saxReader.read(schoolListUrl);
} catch ( Exception e) {
System.out.println(e.toString());
%>
<script language="javascript">alert(<%=e.toString()%>);</script>
<%
}
%>
<% try {
SAXReader saxReader = new SAXReader();
document=saxReader.read(schoolListUrl);
} catch ( Exception e) {
System.out.println(e.toString());
%>
<script language="javascript">alert("<%=e.toString()%>");</script>
<%
}
%>