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您可能希望使用Beanshell表单绑定器将表单中的某些字段存储到其他表格中。图1 显示了除了原始表单数据表之外，前3个字段要存储在另一个数据源中的表单示例。

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图1：带有字段的表单

然后，点击表单“属性”标签并导航到“高级”页面。选择“Bean Shell Form Binder”作为存储绑定器。

You may want to store certain fields from your form to other tables with the use of the Beanshell Form Binder. Figure 1 shows an example of a form where the first 3 fields are to be stored in another data source in addition to the original form data table.

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Figure1: Form with Field to Store

Then, click on the form "Properties" tab and navigates to "Advanced" page. Choose "Bean Shell Form Binder" as Store Binder.

Figure 2: Choose Bean Shell Form Binder as the Store Binder

Configure Bean Shell Form Binder with your own coding to store the fields as intended, as shown in the figure below.

使用您自己的代码配置Bean Shell Form Binder，按照预期存储字段，如下图所示。

在这个例子中使用的代码：Code used in this example:

Code Block

language	java

import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import javax.sql.DataSource;
import org.joget.apps.app.model.AppDefinition;
import org.joget.apps.app.service.AppService;
import org.joget.apps.app.service.AppUtil;
import org.joget.apps.form.model.Element;
import org.joget.apps.form.model.FormData;
import org.joget.apps.form.model.FormRow;
import org.joget.apps.form.model.FormRowSet;
import org.joget.apps.form.model.FormStoreBinder;
import org.joget.apps.form.service.FormUtil;
import org.joget.plugin.base.PluginManager;
import org.joget.commons.util.LogUtil;
 
public FormRowSet storeData(Element element, FormRowSet rows, FormData formData) {
    //check for empty data
    if (rows == null || rows.isEmpty()) {
        return rows;
    }
    normalStoring(element, rows, formData);
 
    //store only needed field by create new Form Row Set
    FormRow originalRow = rows.get(0);
 
    FormRowSet newRows = new FormRowSet();
    FormRow newRow = new FormRow();
 
    newRow.put("firstName", originalRow.getProperty("firstName"));
    newRow.put("lastName", originalRow.getProperty("lastName"));
    newRow.put("email", originalRow.getProperty("email"));
    newRows.add(newRow);
 
    String id = "#currentUser.username#";
 
    //Store
    storeToOtherFormDataTable(element, newRows, formData, id);
    StoreUsingJDBC(element, newRows, formData, id);
 
    return rows;
}
 
//this function will reuse workflow form binder to store data
public void normalStoring(Element element, FormRowSet rows, FormData formData) {
    PluginManager pluginManager = (PluginManager) AppUtil.getApplicationContext().getBean("pluginManager");
    FormStoreBinder binder = (FormStoreBinder) pluginManager.getPlugin("org.joget.apps.form.lib.WorkflowFormBinder");
    binder.store(element, rows, formData);
}
 
//this function will store rows data to a form's data table
public void storeToOtherFormDataTable(Element element, FormRowSet rows, FormData formData, String id) {
    AppService appService = (AppService) AppUtil.getApplicationContext().getBean("appService");
 
    String formId = "user"; // the table of database is configured in the form with id "user"
    AppDefinition appDef = AppUtil.getCurrentAppDefinition();
 
    appService.storeFormData(appDef.getId(), appDef.getVersion().toString(), formId, rows, id);
}
 
//this function will store rows data to external source using JDBC
public void StoreUsingJDBC(Element element, FormRowSet rows, FormData formData, String id) {
    Connection con = null;
    try {
        // retrieve connection from the default datasource
        DataSource ds = (DataSource)AppUtil.getApplicationContext().getBean("setupDataSource");
        con = ds.getConnection();
 
        if(!con.isClosed()){
            //manually handle insert and update by checking the data is exist or not
            String selectQuery = "SELECT username FROM dir_user WHERE username=?";
            PreparedStatement stmt = con.prepareStatement(selectQuery);
            stmt.setString(1, id);
            ResultSet rs = stmt.executeQuery();
 
            Boolean isExist = false;
            if (rs.next()) {
                isExist = true;
            }
 
            FormRow row = rows.get(0);
 
            if (isExist) {
                String updateQuery = "UPDATE dir_user SET firstName = ?, lastName = ?, email = ? WHERE username = ?";
                PreparedStatement ustmt = con.prepareStatement(updateQuery);
                ustmt.setString(1, row.getProperty("firstName"));
                ustmt.setString(2, row.getProperty("lastName"));
                ustmt.setString(3, row.getProperty("email"));
                ustmt.setString(4, id);
                ustmt.executeUpdate();
            } else {
                String insertQuery = "INSERT INTO dir_user (id, username, firstName, lastName, password, email) values (?, ?, ?, ?, 'md5(password)', ?)";
                PreparedStatement istmt = con.prepareStatement(insertQuery);
                istmt.setString(1, id);
                istmt.setString(2, id);
                istmt.setString(3, row.getProperty("firstName"));
                istmt.setString(4, row.getProperty("lastName"));
                istmt.setString(5, row.getProperty("email"));
                istmt.executeUpdate();
            }
        }
    } catch (Exception ex) {
        LogUtil.error("Sample app - StoreToMultipleSource form", e, "Error storing using jdbc");
    } finally {
        try {
            if(con != null)
                con.close();
        } catch(SQLException e) {}
    }
}
 
//call storeData method with injected variables
return storeData(element, rows, formData);

Figure 3: Populate Bean Shell Form Binder with the Necessary Codes

...

图3：用必要的代码填充Bean Shell

如果编码正确编写和测试，你会得到这个结果：

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图4：填写并提交测试表单

检查数据库中的数据。

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图5：数据正确存储在表中

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Figure 4: Fill and Submit Form for Testing

Check the data in the database.

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Figure 5: Data Stored Correctly in the Tables

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