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* commit '397bfa1d663de3c677ffd95a9c867756b698c70a': http://www.finedevelop.com:2016/browse/DEMO-2670 新增10.0从数据读取frm决策报表,编码格式改为utf-8 http://www.finedevelop.com:2016/browse/DEMO-2670 新增10.0从数据库读取frm决策报表pull/2/head
Leo.Tsai
5 years ago
1 changed files with 58 additions and 0 deletions
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package com.fr.demo; |
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import com.fr.io.utils.ResourceIOUtils; |
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import com.fr.web.weblet.Formlet; |
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import com.fr.form.main.Form; |
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import javax.servlet.http.HttpServletRequest; |
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import com.fr.log.FineLoggerFactory; |
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import java.io.InputStream; |
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import java.sql.Blob; |
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import java.sql.Connection; |
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import java.sql.DriverManager; |
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import java.sql.ResultSet; |
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import java.sql.Statement; |
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import java.util.Map; |
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public class ReadfrmFromDatabase extends Formlet { |
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public Form createForm(HttpServletRequest reportletRequest) { |
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Form form= new Form(); |
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String name = reportletRequest.getParameter("reportname").toString(); |
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try { |
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// 定义数据连接(根据你实际数据库信息进行修改)
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String driver = "com.mysql.jdbc.Driver"; |
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String url = "jdbc:mysql://localhost:3306/test"; |
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String user = "root"; |
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String pass = "123456"; |
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Class.forName(driver); |
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Connection conn = DriverManager.getConnection(url, user, pass); |
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// 从数据库中读模板
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String sql = "select B from report where A = '" + name |
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+ "'"; |
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Statement smt = conn.createStatement(); |
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ResultSet rs = smt.executeQuery(sql); |
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while (rs.next()) { |
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Blob blob = rs.getBlob(1); |
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FineLoggerFactory.getLogger().info(blob.toString()); |
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InputStream ins = blob.getBinaryStream(); |
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form.readStream(ins); |
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} |
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} catch (Exception e) { |
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e.printStackTrace(); |
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} |
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System.out.println(ResourceIOUtils.getRealPath("assets")); |
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return form; |
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} |
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@Override |
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public void setParameterMap(Map<String, Object> arg0) { |
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// TODO Auto-generated method stub
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} |
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} |
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