// ExpenseController.java package com.ssm.controller; import com.ssm.entity.Expense; import org.springframework.stereotype.Controller; import org.springframework.web.bind.annotation.RequestMapping; @Controller public class ExpenseController { @RequestMapping("/submitExpense") public String handleExpense(Expense expense) { System.out.println("收到支出信息: " + "金额=" + expense.getAmount() + ", 类别=" + expense.getCategory() + ", 备注=" + expense.getRemarks()); return "showExpense"; } }