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completed regiest. remain rest api and exception
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‎docs/blog-prototype.md‎

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@@ -28,9 +28,11 @@
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* q : 搜索关键字
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* /keywords : 最热搜索关键字列表
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* login : 登录
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* /login :POST
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* /login :GET 获取登录的界面
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* /login :POST 登录
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* register ：注册
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* /register :POST
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* /register :GET 获取注册的界面
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* /register :POST 注册 ， 注册成功跳转至 登录界面
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* users : 用户管理
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* /users : 用户列表
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* /users/{id} :具体某个用户的主页

‎docs/blog-user.md‎

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# 博客系统的用户管理实现
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在 `security-in-action`项目基础上，我们构建了一个新的项目`blog-user`。项目的包名也做了调整，改为`com.waylau.spring.boot.blog`。
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## 实现功能
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* 新增、删除、编辑用户
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* 分页查询；
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* 批量删除；
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* 用户名模糊搜索；
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## 环境
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* Font-Awesome 4.7.0
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## build.gradle
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修改 build.gradle 文件，让我们的`blog-user`项目成为一个新的项目。
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修改内容也比较简单，修改项目名称及版本即可。
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```groovy
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jar {
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baseName = 'blog-user'
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version = '1.0.0'
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}
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```
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为了方便进行单元测试，我们添加了内嵌的 H2 数据库，并设置该库的范围类型为运行时（runtime）：
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```groovy
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// 依赖关系
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dependencies {
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......
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// 添加 H2 的依赖
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runtime('com.h2database:h2:1.4.193')
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......
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}
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```
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## 问题解决
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### 问题1
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```
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org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'org.springframework.boot.autoconfigure.orm.jpa.HibernateJpaAutoConfiguration': Unsatisfied dependency expressed through constructor parameter 0; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'dataSource': Invocation of init method failed; nested exception is java.lang.IllegalStateException: Failed to replace DataSource with an embedded database for tests. If you want an embedded database please put a supported one on the classpath or tune the replace attribute of @AutoconfigureTestDatabase.
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```
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在测试类上，添加 `@AutoconfigureTestDatabase`
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### 问题2：Thymeleaf 取值 `${page.isLast}`报错
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```
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Caused by: org.attoparser.ParseException: Exception evaluating SpringEL expression: "page.isLast" (template: "fragments/page" - line 28, col 53)
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at org.attoparser.MarkupParser.parseDocument(MarkupParser.java:393) ~[attoparser-2.0.2.RELEASE.jar:2.0.2.RELEASE]
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at org.attoparser.MarkupParser.parse(MarkupParser.java:257) ~[attoparser-2.0.2.RELEASE.jar:2.0.2.RELEASE]
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at org.thymeleaf.templateparser.markup.AbstractMarkupTemplateParser.parse(AbstractMarkupTemplateParser.java:230) ~[thymeleaf-3.0.3.RELEASE.jar:3.0.3.RELEASE]
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... 87 common frames omitted
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```
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返回的 org.springframework.data.domain.Page 对象里面找不到 isLast 属性。
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1+
# 博客系统的用户管理实现
2+
3+
4+
在 `security-in-action`项目基础上，我们构建了一个新的项目`blog-user`。项目的包名也做了调整，改为`com.waylau.spring.boot.blog`。
5+
6+
## 实现功能
7+
8+
* 新增、删除、编辑用户
9+
* 分页查询；
10+
* 批量删除；
11+
* 用户名模糊搜索；
12+
* 注册
13+
14+
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## 环境
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17+
* Font-Awesome 4.7.0
18+
19+
## build.gradle
20+
21+
修改 build.gradle 文件，让我们的`blog-user`项目成为一个新的项目。
22+
23+
修改内容也比较简单，修改项目名称及版本即可。
24+
25+
```groovy
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jar {
27+
baseName = 'blog-user'
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version = '1.0.0'
29+
}
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```
31+
32+
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为了方便进行单元测试，我们添加了内嵌的 H2 数据库，并设置该库的范围类型为运行时（runtime）：
34+
35+
36+
```groovy
37+
// 依赖关系
38+
dependencies {
39+
......
40+
// 添加 H2 的依赖
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runtime('com.h2database:h2:1.4.193')
42+
......
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}
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```
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## 问题解决
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### 问题1
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```
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org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'org.springframework.boot.autoconfigure.orm.jpa.HibernateJpaAutoConfiguration': Unsatisfied dependency expressed through constructor parameter 0; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'dataSource': Invocation of init method failed; nested exception is java.lang.IllegalStateException: Failed to replace DataSource with an embedded database for tests. If you want an embedded database please put a supported one on the classpath or tune the replace attribute of @AutoconfigureTestDatabase.
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```
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在测试类上，添加 `@AutoconfigureTestDatabase`
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### 问题2：Thymeleaf 取值 `${page.isLast}`报错
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```
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Caused by: org.attoparser.ParseException: Exception evaluating SpringEL expression: "page.isLast" (template: "fragments/page" - line 28, col 53)
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at org.attoparser.MarkupParser.parseDocument(MarkupParser.java:393) ~[attoparser-2.0.2.RELEASE.jar:2.0.2.RELEASE]
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at org.attoparser.MarkupParser.parse(MarkupParser.java:257) ~[attoparser-2.0.2.RELEASE.jar:2.0.2.RELEASE]
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at org.thymeleaf.templateparser.markup.AbstractMarkupTemplateParser.parse(AbstractMarkupTemplateParser.java:230) ~[thymeleaf-3.0.3.RELEASE.jar:3.0.3.RELEASE]
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... 87 common frames omitted
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```
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返回的 org.springframework.data.domain.Page 对象里面找不到 isLast 属性。
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解决： 这个是序列化转化的问题。布尔值 isLast 映射为属性是 last，所以改为 `${page.last}`即可。

‎samples/blog-user/src/main/java/com/waylau/spring/boot/blog/controller/MainController.java‎

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package com.waylau.spring.boot.blog.controller;
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import java.util.ArrayList;
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import java.util.List;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.stereotype.Controller;
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import org.springframework.ui.Model;
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import org.springframework.web.bind.annotation.GetMapping;
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import org.springframework.web.bind.annotation.PostMapping;
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import com.waylau.spring.boot.blog.domain.Authority;
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import com.waylau.spring.boot.blog.domain.User;
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import com.waylau.spring.boot.blog.service.AuthorityService;
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import com.waylau.spring.boot.blog.service.UserService;
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/**
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* 主页控制器.
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@Controller
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public class MainController {
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private static final Long ROLE_USER_AUTHORITY_ID = 2L;
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@Autowired
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private UserService userService;
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@Autowired
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private AuthorityService authorityService;
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@GetMapping("/")
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public String root() {
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return "redirect:/index";
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return "register";
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}
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/**
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* 注册用户
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* @param user
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* @param result
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* @param redirect
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* @return
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*/
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@PostMapping("/register")
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public String registerUser(User user) {
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List<Authority> authorities = new ArrayList<>();
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authorities.add(authorityService.getAuthorityById(ROLE_USER_AUTHORITY_ID));
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user.setAuthorities(authorities);
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userService.saveUser(user);
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return "redirect:/login";
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}
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@GetMapping("/search")
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public String search() {
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return "search";

‎samples/blog-user/src/main/java/com/waylau/spring/boot/blog/controller/UserController.java‎

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* @return
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*/
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@DeleteMapping(value = "/{id}")
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@RequestMapping(value = "{id}", method = RequestMethod.DELETE)
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public ResponseEntity<String> delete(@PathVariable("id") Long id, Model model) {
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userService.removeUser(id);
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return ResponseEntity.ok().body( "删除成功！");

‎samples/blog-user/src/main/java/com/waylau/spring/boot/blog/service/AuthorityService.java‎

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/**
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* 根据id获取 Authority
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* @param user
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* @param Authority
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* @return
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*/
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Authority getAuthorityById(Long id);

‎samples/blog-user/src/main/resources/static/js/users/main.js‎

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var _pageSize; // 存储用于搜索
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// 获取 CSRF Token
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var csrfHeader = $("meta[name='_csrf']").attr("content");
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var csrfToken = $("meta[name='_csrf_header']").attr("content");
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// 根据用户名、页面索引、页面大小获取用户列表
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function getUersByName(pageIndex, pageSize) {
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$.ajax({
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// 删除用户
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$(".blog-delete-user").click(function() {
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// 获取 CSRF Token
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var csrfToken = $("meta[name='_csrf']").attr("content");
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var csrfHeader = $("meta[name='_csrf_header']").attr("content");
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$.ajax({
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url: "/users/" + $(this).attr("userId") ,
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type: 'DELETE',

‎samples/blog-user/src/main/resources/templates/admins/index.html‎

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<div class="col-md-8 col-xl-9">
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<div class="card" id="rightContainer">
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<div class="card-header bg-dark font-white">
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<i class="fa fa-sidebar fa-star-o " aria-hidden="true"></i> Users Overview
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</div>
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<div class="container">
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<div class="row">
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<table class="table table-striped">
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<thead>
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<tr>
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<th>#</th>
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<th>Username</th>
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<th>Full Name</th>
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<th>Role</th>
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<th>Created At</th>
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</tr>
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</thead>
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<tbody>
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<tr>
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<th scope="row">1</th>
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<td>Mark</td>
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<td>Otto</td>
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<td>@mdo</td>
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<td>@mdo</td>
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</tr>
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<tr>
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<th scope="row">2</th>
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<td>Jacob</td>
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<td>Thornton</td>
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<td>@fat</td>
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<td>@mdo</td>
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</tr>
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<tr>
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<th scope="row">3</th>
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<td>Larry</td>
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<td>the Bird</td>
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<td>@twitter</td>
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<td>@mdo</td>
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</tr>
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</tbody>
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</table>
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</div>
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</div>
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</div>
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</div>
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</div>
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</div>
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<!-- /.row -->

‎samples/blog-user/src/main/resources/templates/register.html‎

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<div class="container blog-content-container">
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<form >
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<form th:action="@{/register}" method="post">
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<h2 class="form-signin-heading">注册成为博主</h2>
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<div class="form-group col-md-5">
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<button type="submit" class="btn btn-primary">提交</button>
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</div>
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</form>
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</div> <!-- /container -->
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