jfinal 与JSP的传值问题

发布于 2021-12-01 14:20:01 字数 3164 浏览 772 评论 1

发起代码：

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后端代码

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public class chartControlle extends Controller{
public void index(){
System.out.println("The is My new jfinal WEB APP");
renderText("");
}

public void ChartShow(){
String flag=getPara("flag");
//提交查询(最新曲线，静态)
    if (flag.equals("new")){
            String value=getPara("value");//字段名
            String text=getPara("text");//曲线名称
            String mkid=getPara("mkid");
            String sheetid=getPara("sheetid");
            this.setAttr("chart_name",text);
            setAttr("chart_nowdata","ddd");
            System.out.println("chart_name="+getAttr("chart_name"));
    }
this.setAttr("chart_name",flag);
render("/echart/echartmain.jsp");
}

}

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前端代码

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<%@ page language="java" import="java.util.*,bbsys_base.*" pageEncoding="UTF-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";

%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<base href="<%=basePath%>">

<title>在线曲线</title>

<meta http-equiv="pragma" content="no-cache">
<meta http-equiv="cache-control" content="no-cache">
<meta http-equiv="expires" content="0">
<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
<meta http-equiv="description" content="This is my page">


</head>

<div>
${chart_name}
</div>
</body>

</html>

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