前台主要代码：

后台commit接收类：

//设置请求编码req.setCharacterEncoding("UTF-8");//获取编辑数据 这里获取到的是json字符串String deleted = req.getParameter("deleted");String inserted = req.getParameter("inserted");String updated = req.getParameter("updated");if(deleted != null){    //把json字符串转换成对象    List
     
       listDeleted = JSON.parseArray(deleted, Bean.class);    //TODO 下面就可以根据转换后的对象进行相应的操作了}if(inserted != null){    //把json字符串转换成对象    List
      
        listInserted = JSON.parseArray(inserted, Bean.class);}if(updated != null){    //把json字符串转换成对象    List
       
         listUpdated = JSON.parseArray(updated, Bean.class);}
       
      
     

Bean.java

public class Bean {    private String code;    private String name;    private Double price;    public String getCode() {        return code;    }    public void setCode(String code) {        this.code = code;    }    public String getName() {        return name;    }    public void setName(String name) {        this.name = name;    }    public Double getPrice() {        return price;    }    public void setPrice(Double price) {        this.price = price;    }}