Maven+SpringMVC+Mybatis的增删改查Demo

使用Idea工具开发，Maven+SpringMVC+Mybatis的增删改查Demo，也是根据网上找的demo,自己亲自动手写的，在编写过程也是遇到了各种小问题，不过都一一处理，里面附带了一个简单文档和建表语句，希望对你有所帮助。遇到BUG需要有一个好的心态，Good Luck.

package com.controller;

import com.pojo.Paper;
import com.service.PaperService;

import java.util.ArrayList;
import java.util.List;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;

@Controller
@RequestMapping（“/paper“）
public class PaperController {
    @Autowired
    private PaperService paperService;

    @RequestMapping（“/allPaper“）
    public String list（Model model） {
        List list = paperService.queryAllPaper（）;
        model.addAttribute（“list“ list）;
        return “allPaper“;
    }

    @RequestMapping（“toAddPaper“）
    public String toAddPaper（） {
        return “addPaper“;
    }

    @RequestMapping（“/addPaper“）
    public String addPaper（Paper paper） {
        paperService.addPaper（paper）;
        return “redirect:/paper/allPaper“;
    }

    @RequestMapping（“/del/{id}“）
    public String deletePaper（@PathVariable（“id“） int id） {
        paperService.deletePaperById（id）;
        return “redirect:/paper/allPaper“;
    }

    @RequestMapping（“toUpdatePaper“）
    public String toUpdatePaper（Model model int id） {
        Paper pager=paperService.queryById（id）;
        //List list =paperService.queryListById（id）;
        model.addAttribute（“paper“ pager）;
        return “updatePaper“;
    }

    @RequestMapping（“/updatePaper“）
    public String updatePaper（Model model Paper paper） {
        paperService.updatePaper（paper）;
        paper = paperService.queryById（paper.getId（））;
        model.addAttribute（“paper“ paper）;
        return “redirect:/paper/allPaper“;
    }
}

 属性            大小     日期    时间   名称
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     文件        281  2019-05-15 14:11  Suiyi\.idea\artifacts\Suiyi_war.xml

     文件       3369  2019-05-14 16:54  Suiyi\.idea\artifacts\Suiyi_war_exploded.xml

     文件        622  2019-05-11 09:37  Suiyi\.idea\compiler.xml

     文件        172  2019-05-11 09:37  Suiyi\.idea\encodings.xml

     文件       1444  2019-05-11 08:06  Suiyi\.idea\inspectionProfiles\Project_Default.xml

     文件        599  2019-05-15 14:11  Suiyi\.idea\libraries\Maven__ch_qos_logback_logback_classic_1_1_11.xml

     文件        578  2019-05-11 09:37  Suiyi\.idea\libraries\Maven__ch_qos_logback_logback_core_1_1_11.xml

     文件        668  2019-05-11 09:37  Suiyi\.idea\libraries\Maven__com_fasterxml_jackson_core_jackson_annotations_2_9_0.xml

     文件        619  2019-05-11 09:37  Suiyi\.idea\libraries\Maven__com_fasterxml_jackson_core_jackson_core_2_9_8.xml

     文件        647  2019-05-11 09:37  Suiyi\.idea\libraries\Maven__com_fasterxml_jackson_core_jackson_databind_2_9_8.xml

     文件        517  2019-05-11 09:48  Suiyi\.idea\libraries\Maven__com_mchange_c3p0_0_9_5_2.xml

     文件        622  2019-05-11 09:48  Suiyi\.idea\libraries\Maven__com_mchange_mchange_commons_java_0_2_11.xml

     文件        602  2019-05-11 09:37  Suiyi\.idea\libraries\Maven__javax_servlet_javax_servlet_api_3_1_0.xml

     文件        518  2019-05-11 09:37  Suiyi\.idea\libraries\Maven__javax_servlet_jsp_api_2_0.xml

     文件        497  2019-05-11 09:37  Suiyi\.idea\libraries\Maven__javax_servlet_jstl_1_2.xml

     文件        546  2019-05-11 09:37  Suiyi\.idea\libraries\Maven__javax_servlet_servlet_api_2_4.xml

     文件        479  2019-05-11 09:37  Suiyi\.idea\libraries\Maven__junit_junit_4_11.xml

     文件        591  2019-05-11 09:37  Suiyi\.idea\libraries\Maven__mysql_mysql_connector_java_5_1_6.xml

     文件        556  2019-05-11 09:37  Suiyi\.idea\libraries\Maven__org_hamcrest_hamcrest_core_1_3.xml

     文件        524  2019-05-11 09:37  Suiyi\.idea\libraries\Maven__org_mybatis_mybatis_3_5_0.xml

     文件        573  2019-05-11 09:37  Suiyi\.idea\libraries\Maven__org_mybatis_mybatis_spring_1_3_1.xml

     文件        537  2019-05-11 09:37  Suiyi\.idea\libraries\Maven__org_slf4j_slf4j_api_1_7_22.xml

     文件        633  2019-05-11 09:37  Suiyi\.idea\libraries\Maven__org_springframework_spring_aop_5_1_5_RELEASE.xml

     文件        647  2019-05-11 09:37  Suiyi\.idea\libraries\Maven__org_springframework_spring_beans_5_1_5_RELEASE.xml

     文件        661  2019-05-11 09:37  Suiyi\.idea\libraries\Maven__org_springframework_spring_context_5_1_5_RELEASE.xml

     文件        717  2019-05-11 09:37  Suiyi\.idea\libraries\Maven__org_springframework_spring_context_support_4_3_3_RELEASE.xml

     文件        640  2019-05-11 09:37  Suiyi\.idea\libraries\Maven__org_springframework_spring_core_5_1_5_RELEASE.xml

     文件        682  2019-05-11 09:37  Suiyi\.idea\libraries\Maven__org_springframework_spring_expression_5_1_5_RELEASE.xml

     文件        633  2019-05-11 09:37  Suiyi\.idea\libraries\Maven__org_springframework_spring_jcl_5_1_5_RELEASE.xml

     文件        640  2019-05-11 09:37  Suiyi\.idea\libraries\Maven__org_springframework_spring_jdbc_5_1_5_RELEASE.xml

............此处省略152个文件信息