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IT修真院·坑乎 | Java(后端),CSS(前端),JavaScript(前端),PM(产品经理),UI(交互设计),QA(测试),Android(安卓APP),iOS(苹果APP),OP(运维),Python(后端)日常在线问答学习平台

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postman PUT请求失败

0

1

SSM

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

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ssm框架乱码

2

1

SSM

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

class="cursor-pointer"> 源码

<%@ page language="java" contentType="text/html; charset=UTF-8"
         pageEncoding="UTF-8" import="java.util.*" isELIgnored="false" %>

<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c"%>
<%@ taglib prefix ="json" uri ="http://www.atg.com/taglibs/json"%>

<script src="http://libs.baidu.com/jquery/2.0.0/jquery.min.js"></script>
<script type="text/javascript">
    /*将post method 改变为delete*/
    $(function(){
        $(".delete").click(function(){
            var href=$(this).attr("href");
            $("#formdelete").attr("action",href).submit();
            return false;
        })
    })
</script>
<form id="formdelete" action="" method="POST" >
    <input type="hidden" name="_method" value="DELETE">
</form>
<div style="width:500px;margin:0px auto;text-align:center">
<json:object>
</json:object>
    <json:array name="students" var="student" items="${students}">
        <json:object>
            <json:property name="id" value="${student.id}"/>
            <json:property name="name" value="${student.name}"/>
            <json:property name="qq" value="${student.qq}"/>
            <json:property name="wish" value="${student.wish}"/>
            <json:property name="school" value="${student.school}"/>
            <json:property name="enrolment_time" value="${student.enrolmentTime}"/>
            <json:property name="type" value="${student.type}"/>
            <json:property name="know_from" value="${student.knowFrom}"/>
            <json:property name="create_at" value="${student.createAt}"/>
            <json:property name="update_at" value="${student.updateAt}"/>
        </json:object>
    </json:array>
<table align='center' border='1' cellspacing='0'>
    <tr>
        <td>id</td>
        <td>name</td>
        <td>qq</td>
        <td>wish</td>
        <td>school</td>
        <td>enrolment_time</td>
        <td>type</td>
        <td>know_from</td>
        <td>create_at</td>
        <td>update_at</td>
        <td>编辑</td>
        <td>删除</td>
    </tr>
    <c:forEach items="${students}" var="student">
        <tr>
            <td>${student.id}</td>
            <td>${student.name}</td>
            <td>${student.qq}</td>
            <td>${student.wish}</td>
            <td>${student.school}</td>
            <td>${student.enrolmentTime}</td>
            <td>${student.type}</td>
            <td>${student.knowFrom}</td>
            <td>${student.createAt}</td>
            <td>${student.updateAt}</td>
            <td><a href="/students/${student.id}">编辑</a></td>
            <td><a class="delete" href="/students/${student.id}">删除</a></td>
        </tr>
    </c:forEach>
</table>
<div style="text-align:center">
    <a href="?start=0">首  页</a>
    <a href="?start=${page.start-page.count}">上一页</a>
    <a href="?start=${page.start+page.count}">下一页</a>
    <a href="?start=${page.last}">末  页</a>
</div>
<div style="text-align:center;margin-top:40px">
    <form method="post" action="students">
        名字：    <input name="name" value="" type="text"> <br><br>
        qq:       <input name="qq" value="" type="text"> <br><br>
        入门誓言：<input name="wish" value="" type="text"> <br><br>
        毕业院校：<input name="school" value="" type="text"> <br><br>
        入学时间：<input name="enrolmentTime" value="" type="text"> <br><br>
        修真类型：<input name="type" value="" type="text"> <br><br>
        了解渠道：<input name="knowFrom" value="" type="text"> <br><br>
        创建时间：<input name="createAt" value="" type="text"> <br><br>
        更新时间：<input name="updateAt" value="" type="text"> <br><br>
             <input type="submit" value="增加分类">
    </form>
</div>
</div>

</script>

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使用jetty启动项目中

0

1

jetty/tomcat

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

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message sources的配置

1

1

jetty/tomcat

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

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页面参数传递

0

1

SSM

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 源码

@Controller
@RequestMapping("")
public class CategoryController {
    @Autowired
    CategoryService categoryService;
 
    @RequestMapping("listCategory")
    public ModelAndView listCategory(Page page){
     
        ModelAndView mav = new ModelAndView();
        List<Category> cs= categoryService.list(page);
        int total = categoryService.total();
         
        page.caculateLast(total);
         
        // 放入转发参数
        mav.addObject("cs", cs);
        // 放入jsp路径
        mav.setViewName("listCategory");
        return mav;
    }
 

jsp
       <a href="?start=0">首  页</a>
        <a href="?start=${page.start-page.count}">上一页</a>
        <a href="?start=${page.start+page.count}">下一页</a>
        <a href="?start=${page.last}">末  页</a>
    </div>
 </div>

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使用ssm框架报500错误

1

1

SSM

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

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将代码部署到tomcat上之后出现问题

1

1

jetty/tomcat

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

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tomcat无法访问，好像随机关闭了自己

1

1

jetty/tomcat

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

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mapper文件扫描不到

1

1

SSM

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

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Request method 'GET' not supported

1

1

SSM

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

class="cursor-pointer"> 源码

 @RequestMapping(value = "/login", method = RequestMethod.POST)
    public String login(HttpServletResponse response, HttpServletRequest request, @RequestParam("user") String user, @RequestParam("pass") String pass) throws Exception {
        if (user != null && !user.equals("")) {
            Count count = countServiceImpl.selectByName(user);
            if (count.getUser().equals(user)) {
                if (MD5Util.MD5(pass + count.getUser()).equals(count.getMd5())) {
                    Long db = System.currentTimeMillis();
                    String df = db.toString();
                    String tokenz = user + "," + df;
                    String token = EncryUtil.encrypt(tokenz);
                    Cookie cookie = new Cookie("name", token);
                    //cookie.setDomain("www.hanyaohe.top");
                    cookie.setPath("/");
                    cookie.setMaxAge(1000 * 60 * 60);
                    response.addCookie(cookie);
                    return "redirect:/u/one";
                }
            }
        }
        return "redirect:/login";
    }

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