http://www.finedevelop.com:2016/browse/DEMO-2670

新增10.0从数据库读取frm决策报表

src/main/java/com/fr/demo/ReadfrmFromDatabase.java

@@ -0,0 +1,58 @@
+package com.fr.demo;
+ 
+import com.fr.io.utils.ResourceIOUtils;
+import com.fr.web.weblet.Formlet;
+import com.fr.form.main.Form;
+import javax.servlet.http.HttpServletRequest;
+import com.fr.log.FineLoggerFactory;
+import java.io.InputStream;
+import java.sql.Blob;
+import java.sql.Connection;
+import java.sql.DriverManager;
+import java.sql.ResultSet;
+import java.sql.Statement;
+import java.util.Map;
+ 
+ 
+ 
+public class ReadfrmFromDatabase extends Formlet {
+ 
+ 
+    public Form createForm(HttpServletRequest reportletRequest) {
+ 
+        Form form= new Form();
+        String name = reportletRequest.getParameter("reportname").toString();
+        try {
+            // 定义数据连接(根据你实际数据库信息进行修改)
+            String driver = "com.mysql.jdbc.Driver";
+            String url = "jdbc:mysql://localhost:3306/test";
+            String user = "root";
+            String pass = "123456";
+            Class.forName(driver);
+            Connection conn = DriverManager.getConnection(url, user, pass);
+            // 从数据库中读模板
+            String sql = "select B from report where A = '" + name
+                    + "'";
+            Statement smt = conn.createStatement();
+            ResultSet rs = smt.executeQuery(sql);
+            while (rs.next()) {
+                Blob blob = rs.getBlob(1);
+                FineLoggerFactory.getLogger().info(blob.toString());
+                InputStream ins = blob.getBinaryStream();
+                form.readStream(ins);
+            }
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+        System.out.println(ResourceIOUtils.getRealPath("assets"));
+        return form;
+    }
+ 
+    @Override
+    public void setParameterMap(Map<String, Object> arg0) {
+        // TODO Auto-generated method stub
+ 
+    }
+ 
+ 
+}