質問編集履歴
1
HeloController.javaにindex※を追記。文字数上form部分削除
test
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@@ -34,9 +34,9 @@
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### 該当のソースコード
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MyDataService.java
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```Java
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package com.tuyano.springboot;
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```
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MyDataRepository.java
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```Java
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package com.tuyano.springboot.repositories;
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```
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HeloController.java
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```Java
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package com.tuyano.springboot;
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}
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//
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// index※追記
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//
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@RequestMapping(value = "/page/{num}", method = RequestMethod.GET)
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public ModelAndView page(@PathVariable Integer num,
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ModelAndView mav) {
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Page<MyData> page = service.getMyDataInPage(num);
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mav.setViewName("index");
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mav.addObject("title", "Find Page");
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mav.addObject("msg", "MyDataのサンプル。");
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mav.addObject("pagenumber", num);
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mav.addObject("datalist", page);
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return mav;
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}
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// find
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@RequestMapping(value = "/find", method = RequestMethod.GET)
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}
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// form
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@RequestMapping(value = "/", method = RequestMethod.POST)
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@Transactional(readOnly = false)
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public ModelAndView form(
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@ModelAttribute("formModel") @Validated MyData mydata,
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BindingResult result,
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ModelAndView mov) { // バリデーションチェックの結果を調べる。
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ModelAndView res = null;
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if (!result.hasErrors()) { // エラーじゃなかった（true）場合
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repository.saveAndFlush(mydata);
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res = new ModelAndView("redirect:/");
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} else { // エラーの場合
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mov.setViewName("index");
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mov.addObject("msg", "sorry, error is occred...");
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Iterable<MyData> list = repository.findAll();
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mov.addObject("datalist", list);
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res = mov;
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}
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return res;
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}
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// P342リスト7-12
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@Autowired
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@@ -506,9 +496,9 @@
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```
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index.html
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```Html
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<!DOCTYPE html>
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