Java &引用;不一致的数据类型:预期日期获取编号“;带departmentsiml类
我在实体对象departments中生成这个类,并创建名为departments\u log(department\u id number,entry\u user number, 条目\日期)当方法尝试将删除的记录输入到此表时,出现以下错误: (不一致的数据类型:预期日期编号) 这是do_dml方法代码:Java &引用;不一致的数据类型:预期日期获取编号“;带departmentsiml类,java,oracle11g,oracle-adf,Java,Oracle11g,Oracle Adf,我在实体对象departments中生成这个类,并创建名为departments\u log(department\u id number,entry\u user number, 条目\日期)当方法尝试将删除的记录输入到此表时,出现以下错误: (不一致的数据类型:预期日期编号) 这是do_dml方法代码: if (operation == DML_DELETE) { FacesContext context = FacesContext.getCurrentInstance()
if (operation == DML_DELETE) {
FacesContext context = FacesContext.getCurrentInstance();
UserInfo user =
(UserInfo)context.getExternalContext().getSessionMap().get("userInfo");
Number deptID = new Number(getDepartmentId());
Date entryDate = new Date(Date.getCurrentDate());
Number entryUser = new Number(user.getEmployeeId());
String sql =
"insert into departments_log (DEPARTMENT_ID,entry_user,entry_date) values (" +
deptID + "," + entryUser + "," +
entryDate + ")";
PreparedStatement stm =
getDBTransaction().createPreparedStatement(sql, 1);
try {
stm.executeUpdate(sql);
} catch (SQLException f) {
System.out.println("delete errore"+f.getMessage()+Date.getCurrentDate());
}
}
问题是您没有正确地传递数据:您正在内联值(),而不是通过查询参数传递它们 以下是您可以修复它的方法:
String sql = "insert into departments_log (DEPARTMENT_ID,entry_user,entry_date) values (?,?,?)";
PreparedStatement stm = getDBTransaction().createPreparedStatement(sql, 1);
stm.setInt(1, deptID);
stm.setString(2, entryUser.longValue());
stm.setDate(entryDate);
以上只是一个实现的框架。您需要添加日期和数字检查null
,并进行其他修改以提高健壮性