class id 不允许null

This commit is contained in:
2026-08-25 15:01:31 +08:00
parent 8a10bd2099
commit b29f92cecc
@@ -10,8 +10,10 @@ import com.yunhai.bschclassmanage.service.IStudentClassHistoryService;
import com.yunhai.bschclassmanage.utils.UserContext;
import com.yunhai.platform.utils.exception.DException;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.WebDataBinder;
import org.springframework.web.bind.annotation.*;
import java.beans.PropertyEditorSupport;
import java.util.List;
import java.util.Map;
@@ -24,6 +26,25 @@ public class SchHistoryController {
@Autowired
private IStudentClassHistoryService studentClassHistoryService; // 使用接口
/**
* 将 Integer 参数收到的 "null"/空串 统一当作 null,使方法内能进入并触发业务校验,
* 而不是在 Spring 类型转换阶段直接抛 MethodArgumentTypeMismatchException。
*/
@InitBinder
public void initBinder(WebDataBinder binder) {
binder.registerCustomEditor(Integer.class, new PropertyEditorSupport() {
@Override
public void setAsText(String text) {
String t = (text == null) ? null : text.trim();
if (t == null || t.isEmpty() || "null".equalsIgnoreCase(t)) {
setValue(null);
} else {
setValue(Integer.valueOf(t));
}
}
});
}
@GetMapping("getClass")
public HistorySchClassVO GetClassFirst(Integer classId) {
if (classId == null || classId <= 0) {