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springmvc中配置问题

1

SSM

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

class="cursor-pointer"> 源码

@Controller
public class HelloController {
	/***
	 * 首页 返回至/page/home.jsp页面
	 * @return
	 */
	@RequestMapping("/hello")
	public ModelAndView index(){
//		Students student = new Students();
//		student.setName("hhh");
//		student.setAge(12);
		//创建模型跟视图，用于渲染页面。并且指定要返回的页面为home页面
		ModelAndView mav = new ModelAndView();
		//mav.addObject("students",student);
		mav.setViewName("home");
		System.out.println("hello");
		return mav;
	}

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向数据库插入数据的时候发生数据被截断的错误

0

1

数据库

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

该问题已被官方收录

mybatis全局配置文件

1

mybatis

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

该问题已被官方收录

创建sqlSessionFactory失败

1

spring

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

该问题已被官方收录

部署web项目使用tomcat中文乱码,而使用jetty时不乱码

1

SSM

class="cursor-pointer"> 详细描述

该问题已被官方收录

Mybatis 3 传多个参数错误

1

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

class="cursor-pointer"> 源码

 @Override
    public List<Banner> findBanners( Boolean status,String updateBy) {
        logger.info("banner 条件查询");
        return bannerMapper.selectByCondition(status,updateBy);
    }

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切面类获取切点方法的参数异常

2

1

aop

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

该问题已被官方收录

使用tomcat部署SSM时，表单提交乱码的情况

0

1

SSM

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

class="cursor-pointer"> 源码

 //增加一个用户
    @RequestMapping(value = "/User", method = RequestMethod.POST)
    public ModelAndView addUser(User user) {
        System.out.println(user.toString());
        operation = userservice.addUser(user);
        ModelAndView mav = new ModelAndView();
        if (operation != 0) {
            mav.setViewName("addYes");
        } else {
            mav.setViewName("addNO");
        }
        return mav;
    }

    //删除一个用户
    @RequestMapping(value = "/User", method = RequestMethod.DELETE)
    public ModelAndView deleteUser(User user) {

        operation = userservice.cutUserById(user.getId());
        ModelAndView mav = new ModelAndView();
        if (operation != 0) {
            mav.setViewName("deleteYes");
        } else {
            mav.setViewName("deleteNo");
        }
        return mav;
    }

    //更新一个用户
    @RequestMapping(value = "/User", method = RequestMethod.PUT)
    public ModelAndView updataUser(User user) {
        operation = userservice.reviseUserById(user);
        ModelAndView mav = new ModelAndView();
        if (operation != 0) {
            mav.setViewName("updataYes");
        } else {
            mav.setViewName("updataNo");
        }
        return mav;
    }

    //查询一个用户
    @RequestMapping(value = "/User", method = RequestMethod.GET)
    public ModelAndView queryUser(User user) {
        user = userservice.queryUserById(user.getId());
        ModelAndView mav = new ModelAndView();
        if (user != null) {
            mav.setViewName("queryYes");
            mav.addObject("user", user);
        } else {
            mav.setViewName("queryNo");
        }
        return mav;
    }

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本地无法连接到redis

2

1

redis

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

class="cursor-pointer"> 源码

重启防火墙

/etc/init.d/iptables restart

查看防火墙开放的端口

/etc/init.d/iptables status

关闭防火墙。

[root@iZwz918kzgnoj99qj89w9eZ init.d]#  /etc/init.d/iptables stop

iptables: Setting chains to policy ACCEPT: filter          [  OK  ]

iptables: Flushing firewall rules:                         [  OK  ]

iptables: Unloading modules:                               [  OK  ]

redis.clients.jedis.exceptions.JedisConnectionException: java.net.ConnectException: Connection refused: connect

at redis.clients.jedis.Connection.connect(Connection.java:155)
	at redis.clients.jedis.BinaryClient.connect(BinaryClient.java:83)
	at redis.clients.jedis.Connection.sendCommand(Connection.java:107)
	at redis.clients.jedis.BinaryClient.ping(BinaryClient.java:96)
	at redis.clients.jedis.BinaryJedis.ping(BinaryJedis.java:108)
	at com.alibaba.dao.MybatisTest.test0(MybatisTest.java:59)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)
	at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
	at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
	at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
	at org.springframework.test.context.junit4.statements.RunBeforeTestMethodCallbacks.evaluate(RunBeforeTestMethodCallbacks.java:75)
	at org.springframework.test.context.junit4.statements.RunAfterTestMethodCallbacks.evaluate(RunAfterTestMethodCallbacks.java:86)
	at org.springframework.test.context.junit4.statements.SpringRepeat.evaluate(SpringRepeat.java:84)
	at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)
	at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:252)
	at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:94)
	at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)
	at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)
	at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)
	at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)
	at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)
	at org.springframework.test.context.junit4.statements.RunBeforeTestClassCallbacks.evaluate(RunBeforeTestClassCallbacks.java:61)
	at org.springframework.test.context.junit4.statements.RunAfterTestClassCallbacks.evaluate(RunAfterTestClassCallbacks.java:70)
	at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
	at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.run(SpringJUnit4ClassRunner.java:191)
	at org.junit.runner.JUnitCore.run(JUnitCore.java:137)
	at com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:68)
	at com.intellij.rt.execution.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:47)
	at com.intellij.rt.execution.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:242)
	at com.intellij.rt.execution.junit.JUnitStarter.main(JUnitStarter.java:70)
Caused by: java.net.ConnectException: Connection refused: connect
	at java.net.DualStackPlainSocketImpl.waitForConnect(Native Method)

该问题已被官方收录

spring boot项目启动问题

1

复盘踩坑 shiro springboot

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图