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mybatis全局配置文件

1

mybatis

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

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Mybatis配置DataSource的properties外部载入失败

0

1

mybatis

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xmlns:context="http://www.springframework.org/schema/context"
       xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
            http://www.springframework.org/schema/context  http://www.springframework.org/schema/context/spring-context.xsd">

<context:component-scan base-package="finalDemo.test,finalDemo.DAO"/>

<!--    <!– 引用外部properties配置Spring自带连接 –>
   <!–引入PropertyPlaceholderConfigurer外部jdbc配置properties文件 –>
        <bean id="propertyConfigurer" class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
        <property name="locations" value="classpath*:jdbcDataSource.properties"/>
      </bean>

<!–加载DriverManagerDataSource外部jdbc配置文件–>
    <bean id="dataSource" class="org.springframework.jdbc.datasource.DriverManagerDataSource">
        <property name="driverClassName" value="${driverClass}"/>
        <property name="url" value="${jdbcUrl}"/>
        <property name="password" value="${password}"/>
        <property name="username" value="${user}"/>
    </bean>-->

<context:property-placeholder location="classpath:jdbc.properties" />
    
    <bean id="dataSource" class="com.alibaba.druid.pool.DruidDataSource" destroy-method="close">
        
        <property name = "url" value = "${Druid.url}" />
        <property name = "username" value = "${jdbc.username}" />
        <property name = "password" value = "${jdbc.password}" />
        <property name = "driverClassName" value = "${jdbc.driverClassName}" />
        <property name = "filters" value = "${jdbc.filters}" />
        
        <property name = "maxActive" value = "${jdbc.maxActive}" />
        
        <property name = "initialSize" value = "${jdbc.initialSize}" />
        
        <property name = "maxWait" value = "${jdbc.maxWait}" />
        
        <property name = "minIdle" value = "${jdbc.minIdle}" />
        
        <property name = "timeBetweenEvictionRunsMillis" value ="${jdbc.timeBetweenEvictionRunsMillis}" />
        
        <property name = "minEvictableIdleTimeMillis" value ="${jdbc.minEvictableIdleTimeMillis}" />
        
        <property name = "validationQuery" value = "${jdbc.validationQuery}" />
        
        <property name = "testWhileIdle" value = "${jdbc.testWhileIdle}" />
        
        <property name = "testOnBorrow" value = "${jdbc.testOnBorrow}" />
        
        <property name = "testOnReturn" value = "${jdbc.testOnReturn}" />
        
        <property name = "removeAbandoned" value = "${jdbc.removeAbandoned}" />
        
        <property name = "removeAbandonedTimeout" value ="${jdbc.removeAbandonedTimeout}" />
        
        <property name = "logAbandoned" value = "${jdbc.logAbandoned}" />

</bean>

<bean id="jdbcConn" class="org.springframework.jdbc.core.JdbcTemplate">
        <property name="dataSource" ref="dataSource"/>
    </bean>

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无法修改字符集

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

显示从未使用过，从未访问过。

1

mybatis

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

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富友支付支付接口调用时，在项目整合运行时报参数初始化错误

0

1

第三方接口调用

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

class="cursor-pointer"> 源码

private static final long	serialVersionUID	= 1419376384387536955L;

	private static final String BACK_URL = ConfigReader.getString("h5.back_url");
	private static final String HOME_URL = ConfigReader.getString("h5.home_url");
	private static final String RETURN_URL = ConfigReader.getString("h5.return_url");
	private static final String PAY_URL = ConfigReader.getString("h5.pay_url");
	

	@Override
	protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException
	{
		resp.getOutputStream().write("不支持GET方式提交".getBytes("utf8"));
	}

	@Override
	protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException
	{
		String respMsg = "";
		resp.setContentType("text/html");
		try
		{
			String userId = req.getParameter("userId");
			String amt = req.getParameter("amt");
			String bankCard = req.getParameter("bankCard");
			String name = req.getParameter("name");
			String idType = req.getParameter("idType");
			String idNo = req.getParameter("idNo");
			String type=req.getParameter("type");
			StringBuffer orderPlain = new StringBuffer();
			String orderId = "FY"+DateTimeUtil.getCurrentDate("yyyyMMddHHmmssSSS");
			String signPlain = type+"|"+"2.0"+"|"+Constants.H5_MCHNT_CD+"|"+orderId+"|"+userId
					+"|"+amt+"|"+bankCard+"|"+BACK_URL+"|"+name+"|"+idNo+"|"+idType+"|"+"0"+"|"
					+ HOME_URL+"|"+RETURN_URL+"|"+Constants.H5_MCHNT_KEY;
			String sign=MD5.MD5Encode(signPlain);
			System.out.println("[签名明文:]"+signPlain);
			orderPlain.append("<ORDER>")
			.append("<VERSION>2.0</VERSION>")
			.append("<LOGOTP>0</LOGOTP>")
			.append("<MCHNTCD>").append(Constants.H5_MCHNT_CD).append("</MCHNTCD>")
			.append("<TYPE>").append(type).append("</TYPE>")
			.append("<MCHNTORDERID>").append(orderId).append("</MCHNTORDERID>")
			.append("<USERID>").append(userId).append("</USERID>")
			.append("<AMT>").append(amt).append("</AMT>")
			.append("<BANKCARD>").append(bankCard).append("</BANKCARD>")
			.append("<BACKURL>").append(BACK_URL).append("</BACKURL>")
			.append("<HOMEURL>").append(HOME_URL).append("</HOMEURL>")
			.append("<REURL>").append(RETURN_URL).append("</REURL>")
			.append("<NAME>").append(name).append("</NAME>")
			.append("<IDTYPE>").append(idType).append("</IDTYPE>")
			.append("<IDNO>").append(idNo).append("</IDNO>")
			.append("<REM1>").append(userId).append("</REM1>")
			.append("<REM2>").append(userId).append("</REM2>")
			.append("<REM3>").append(userId).append("</REM3>")
			.append("<SIGNTP>").append("md5").append("</SIGNTP>")
			.append("<SIGN>").append(sign).append("</SIGN>")
			.append("</ORDER>");
			System.out.println("[订单信息:]"+orderPlain.toString());
			Map<String,String> param = new HashMap<String, String>();
			param.put("VERSION", "2.0");
			param.put("ENCTP", "1");
			param.put("LOGOTP", "0");
			param.put("MCHNTCD", Constants.H5_MCHNT_CD);
			param.put("FM",orderPlain.toString());
			param.put("FM", DESCoderFUIOU.desEncrypt(orderPlain.toString(), DESCoderFUIOU.getKeyLength8(Constants.H5_MCHNT_KEY)));
			respMsg = HttpFormUtil.formForward(PAY_URL, param);
			System.out.println("[请求信息:]"+param);
		}
		catch (Exception e)
		{
			respMsg="系统异常！";
		}
		resp.getOutputStream().write(respMsg.getBytes("utf8"));
	}
}

public class ConfigReader
{
	private static final ResourceBundle RESOURCE_BUNDLE = ResourceBundle.getBundle("init");
	
	/**
	 * 
	 * @param param
	 * @return
	 */
	public  static String getString(String param)
	{
		return RESOURCE_BUNDLE.getString(param);
	}
	
	public static int getInt(String param)
	{
		return Integer.valueOf(RESOURCE_BUNDLE.getString(param));
	}
}

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JSP页面返回给后端的数据中数字和字母被过滤？

0

1

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

<%@ page language="java" contentType="text/html; charset=UTF-8"
         pageEncoding="UTF-8"%>
<%@ page isELIgnored="false" %><%--指定是否执行EL表达式--%>
<%@taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c"%>
<%@ taglib prefix="fmt" uri="http://java.sun.com/jstl/fmt" %><%--引入标签库的定义--%>
<html>
<head>
    <title>更改用户信息</title>
</head>
<body>
<h1>更改用户信息</h1>
<form action=" " name ="studentForm">
<input type="hidden" name="id" value = "${student.id}"><br>
    姓名:<input type="text" name="name" value = "${student.name}"><br>
    QQ:<input type="text" name="student.qq" value = "${student.qq}"><br>
    学号:<input type="text" name="student.number" value = "${student.number}"><br>
    教练:<input type="text" name="item.coachName" value = "${student.coachName}"><br>
    日报链接 :<input type="text" name="item.dailyLink" value = "${student.dailyLink}"><br>
    毕业学校 :<input type="text" name="item.gradeCollege" value = "${student.gradeCollege}"><br>

<input type="button" value="更改"
           onclick="updateStudent()">
</form>
<script type="text/javascript">
    function updateStudent(){
        var form = document.forms['studentForm'];
        form.action = "update";
        form.method = "put";
        form.submit();
    }
</script>
</body>
</html>

</filter>
    <filter>
        <filter-name>encodingFilter</filter-name>
        <filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
        <init-param>
            <param-name>encoding</param-name>
            <param-value>UTF-8</param-value>
        </init-param>
        <init-param>
            <param-name>forceEncoding</param-name>
            <param-value>true</param-value>
        </init-param>
    </filter>
    <filter-mapping>
        <filter-name>encodingFilter</filter-name>
        <url-pattern>/*</url-pattern>
    </filter-mapping>

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在mybatis中使用foreach语句时报错

1

mybatis

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

class="cursor-pointer"> 源码

 <insert id="saveBatch" parameterType="java.util.Map">
        INSERT INTO student(name,age,sex,hometown)
        values
        <foreach collection="array" item="item" index="index" separator="," open="(" close=")">
            (#{item.name},#{item.age},#{item.sex},#{item.hometown})
        </foreach>
    </insert>

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log4j2配置文件中标签中的属性additivity的使用

0

1

log4j

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

class="cursor-pointer"> 源码

配置文件：
<appenders>
   <Console name="Console" target="SYSTEM_OUT">
       <PatternLayout pattern="%d{yyyy-MM-dd HH:mm:ss.SSS} [%t] %-5level %logger{36} - %msg%n"/>
   </Console>
</appenders>
<loggers>
   <logger name="com.zyq.Log4j2" level="trace" additivity="true">
           <appender-ref ref="Console"/>
   </logger>
   <root level="error">
       <appender-ref ref="Console"/>
   </root>
</loggers>

相关代码：
public static void main(String[] args){
logger.entry();
   logger.error("我是错误级别的信息");
   logger.info("我是info级别信息");
   logger.warn("我是警告级别的信息");
   logger.debug("我是debug级别的信息");
   logger.fatal("我是致命错误级别的信息");
   logger.log(Level.DEBUG,"我是debug级别的信息");
   logger.exit();
}

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web页面int类型默认显示值为0

0

1

SSM

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

class="cursor-pointer"> 源码

public class Student {
    private int id;
    private String name;
    private int qq;
    private String type;
    private String startDay;
    private String university;
    private int studyName;
    private String link;
    private String hope;
    private String tutorshipSenior;
    private String know;
    private long createAt;
    private long updateAt;

//根据姓名ID学号进行查找
    @RequestMapping(value = "findbyname", method = RequestMethod.GET)
    public String findByName(HttpServletRequest request, Model model) {
        model.addAttribute("student", new Student());
        return "findbyname";

    }

    @RequestMapping(value = "findbyname", method = RequestMethod.POST)
    public ModelAndView findByName(HttpServletRequest request, @ModelAttribute("student") Student student) throws Exception {
        ModelAndView modelAndView = new ModelAndView();
        student = studentService.findByName(student);
        if(student!=null){
        modelAndView.addObject("student", student);
        modelAndView.setViewName("findbynameresult");
        return modelAndView;
        }else {
            modelAndView.setViewName("crudFail");
            return modelAndView;
        }
    }

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构建spirng mybatis 测试时报错

0

1

junit

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

class="cursor-pointer"> 源码

<dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
            <version>4.11</version>
            <scope>test</scope>
        </dependency>