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You may initialize a new form with some fields pre-populated using Bean Shell Form BinderData Store.
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Figure 1 below shows an example of a form whose first 3 fields are to be pre-populated.
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รูปที่ 1 ด้านล่างแสดงตัวอย่างของฟอร์มที่มี 3 ฟิลด์แรกที่จะถูกเติมไว้ล่วงหน้า |
Figure 1: Form with Fields to Pre-populate
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วิธีที่ง่ายและรวดเร็วในการจัดการกับความต้องการนี้คือการใช้ประโยชน์จาก Beanshell Form Binder ใน Load Binder ของส่วน แก้ไขส่วน |
Figure 2: Configuring Section Properties to Determine How Data Will Be Handled
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ใน Load Binder เลือก "Bean Shell Form Binder" เป็น Load Binder |
Figure 3: Choose Beanshell Form Binder as the Load Binder
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import org.joget.apps.app.service.*;
import org.joget.apps.form.model.*;
import org.joget.apps.form.service.*;
import java.sql.*;
import java.util.*;
public FormRowSet getData() {
//-----------------------------------------------------------------------------------
//In this part of code, it trying to load the original data from form data table.
FormRowSet results = null;
if (primaryKey != null && primaryKey.trim().length() > 0) {
AppService appService = (AppService) FormUtil.getApplicationContext().getBean("appService");
Form form = FormUtil.findRootForm(element);
if (form.equals(element) && form.getParent() != null) {
form = FormUtil.findRootForm(form.getParent());
}
if (form != null) {
results = appService.loadFormDataWithoutTransaction(form, primaryKey);
}
}
//------------------------------------------------------------------------------------
//------------------------------------------------------------------------------------
//In this second part of code, it will load the data from external source by using
//JDBC. It will run only when the first part of code fail to retrieve data from
//form data table. This example use dir_user table of Joget as external source.
if (results == null) {
results = new FormRowSet();
Connection con = null;
try {
Class.forName("com.mysql.jdbc.Driver").newInstance();
con = DriverManager.getConnection("jdbc:mysql://localhost:3306/jwdb2?characterEncoding=UTF-8", "root", "root");
if(!con.isClosed()){
String pId = "#currentUser.username#";
String sql = "SELECT firstName, lastName, email FROM dir_user WHERE username=?";
PreparedStatement stmt = con.prepareStatement(sql);
stmt.setString(1, pId);
ResultSet rs = stmt.executeQuery();
while (rs.next()) {
FormRow row = new FormRow();
row.put("firstName", (rs.getString(1) != null)?rs.getString(1):"");
row.put("lastName", (rs.getString(2) != null)?rs.getString(2):"");
row.put("email", (rs.getString(3) != null)?rs.getString(3):"");
results.add(row);
}
}
} catch(Exception ex) {
System.err.println("Exception: " + ex.getMessage());
} finally {
try {
if(con != null)
con.close();
} catch(SQLException e) {}
}
}
//------------------------------------------------------------------------------------
return results;
}
return getData(); |
Figure 4: Populate Beanshell Form Binder with the Necessary Codes
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องค์ประกอบที่เกี่ยวข้อง |
- Bean Shell Form BinderData Store