SpringBoot列表增删改查

增部分

<a href="#" th:href="@{/admin/types/input}"   class="ui mini right floated teal basic button">新增</a>

<form action="#" method="post"  th:action="*{id}==null ? @{/admin/types/add} : @{/admin/types/update/{id}({id=*id})}" class="ui form">
        <input type="hidden" name="id" th:value="*{id}">

 @PostMapping("add")
    public String add(Type type){
        typeService.addType(type);
        return "redirect:/admin/types";
    }

@Override
    public void addType(Type type) {
        typeDao.save(type);
    }

删部分

<a href="#" th:href="@{/admin/types/{id}/delete(id=${type.id})}"  class="ui mini red basic button">删除</a>

@GetMapping("{id}/delete")
    public String delete(@PathVariable Long id){
        typeService.deleteType(id);
        return "redirect:/admin/types";
    }

 @Override
    public void deleteType(Long id) {
        typeDao.deleteById(id);
    }

改

 <a href="#" th:href="@{/admin/types/{id}/toUpdate(id=${type.id})}" class="ui mini teal basic button">编辑</a>

 @PostMapping("{id}/toUpdate")
    public String toUpdate(@PathVariable Long id,Model model){
        Type type =  typeService.getType(id);
        model.addAttribute("type",type);
        return "admin/types-input";
    }

 @Override
    public Type getType(Long id) {
        return typeDao.getOne(id);
    }

 <form action="#" method="post"  th:action="*{id}==null ? @{/admin/types/add} : @{/admin/types/update/{id}({id=*id})}" class="ui form">
        <input type="hidden" name="id" th:value="*{id}">

 @PostMapping("update/{id}")
    public String update(Type type,@PathVariable Long id){
        typeService.update(id,type);
        return "redirect:/admin/types";
    }

@Override
    public void update(Long id, Type type) {
        Type type1 = typeDao.getOne(id);
        BeanUtils.copyProperties(type,type1);
        typeDao.save(type1);
    }

查

<tr th:each="type,iterStat : ${page.content}">
          <td th:text="${iterStat.count}">1</td>
          <td th:text="${type.name}">刻意练习清单</td>

 @GetMapping("")
    public String list(@PageableDefault(size=5,sort = {"id"},direction = Sort.Direction.DESC)Pageable pageable, Model model){
        Page<Type> page = typeService.ListType(pageable);
        model.addAttribute("page",page);
        return "admin/types";
    }

@Override
    public Page<Type> ListType(Pageable pageable) {
        Page<Type> page = typeDao.findAll(pageable);
        return page;
    }