simple_order_demo/src/main/java/com/example/demo/model/CaiDan.java

package com.example.demo.model;

public class CaiDan {
    private String cailiao;

    private String sum;

    public String getCailiao() {
        return cailiao;
    }

    public void setCailiao(String cailiao) {
        this.cailiao = cailiao;
    }

    public String getSum() {
        return sum;
    }

    public void setSum(String sum) {
        this.sum = sum;
    }
}