From bd53f9ba9b22901674c9530bce366a44a628e02e Mon Sep 17 00:00:00 2001
From: qi_liang <qi_liang_gz@163.com>
Date: Thu, 8 Nov 2018 11:47:49 +0800
Subject: [PATCH] =?UTF-8?q?=E8=A1=A5=E5=85=85=E5=92=8C=E5=AE=8C=E5=96=84?=
 =?UTF-8?q?=20DRUID=E9=85=8D=E7=BD=AE=E5=92=8C=E6=B3=A8=E8=A7=A3?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 pom.xml                                       |  23 +--
 src/main/java/com/lq/api/vo/SysFileVo.java    |   3 +
 .../com/lq/api/web/SysFileController.java     |  18 ++-
 .../lq/cms/aspectJ/SysUserServiceAspectj.java |   4 +-
 src/main/java/com/lq/cms/vo/BasePageVo.java   |  10 +-
 .../lq/code/interceptor/PageInteceptor.java   |   5 +-
 src/main/java/com/lq/code/util/BeanUtil.java  |  28 ++--
 src/main/java/com/lq/code/util/CastUtil.java  | 148 ++++++++++++++++++
 .../java/com/lq/code/util/Collectiontil.java  |  31 ++++
 src/main/java/com/lq/code/util/FileUtil.java  |   2 +
 src/main/java/com/lq/code/util/PropsUtil.java | 113 +++++++++++++
 .../java/com/lq/code/util/jdbc/JdbcUtils.java |  13 +-
 .../lq/code/util/sql/AbstractDbBuiler.java    |   4 +-
 .../com/lq/code/util/sql/MysqlBuilder.java    |   6 +-
 .../com/lq/code/util/sql/OracleBuiler.java    |   6 +-
 .../com/lq/code/util/sql/PageInterface.java   |  19 +++
 .../java/com/lq/code/util/sql/SqlUtil.java    |   5 +
 src/main/resources/dev/jdbc.properties        |   9 +-
 src/main/resources/spring-mvc-config.xml      |   3 +-
 src/main/resources/spring-mybatis-config.xml  |  35 +++--
 20 files changed, 423 insertions(+), 62 deletions(-)
 create mode 100644 src/main/java/com/lq/code/util/CastUtil.java
 create mode 100644 src/main/java/com/lq/code/util/Collectiontil.java
 create mode 100644 src/main/java/com/lq/code/util/PropsUtil.java
 create mode 100644 src/main/java/com/lq/code/util/sql/PageInterface.java

diff --git a/pom.xml b/pom.xml
index 93b9ac9..8327df1 100644
--- a/pom.xml
+++ b/pom.xml
@@ -160,6 +160,18 @@
       <artifactId>spring-aop</artifactId>
       <version>${spring.version}</version>
     </dependency>
+
+    <dependency>
+      <groupId>org.springframework</groupId>
+      <artifactId>spring-context-support</artifactId>
+      <version>${spring.version}</version>
+    </dependency>
+
+    <dependency>
+      <groupId>org.springframework</groupId>
+      <artifactId>spring-test</artifactId>
+      <version>${spring.version}</version>
+    </dependency>
     <!-- 处理事务和AOP所需的包 （低于1.7用(@PointCut)切点注解会报错） -->
     <dependency>
       <groupId>org.aspectj</groupId>
@@ -172,17 +184,7 @@
       <version>1.7.3</version>
     </dependency>
 
-    <dependency>
-      <groupId>org.springframework</groupId>
-      <artifactId>spring-context-support</artifactId>
-      <version>${spring.version}</version>
-    </dependency>
 
-    <dependency>
-      <groupId>org.springframework</groupId>
-      <artifactId>spring-test</artifactId>
-      <version>${spring.version}</version>
-    </dependency>
     <!-- mybatis核心包 -->
     <dependency>
       <groupId>org.mybatis</groupId>
@@ -214,6 +216,7 @@
       <artifactId>commons-dbcp</artifactId>
       <version>1.2.2</version>
     </dependency>
+
     <!-- JSTL标签类 -->
     <!--
     <dependency>
diff --git a/src/main/java/com/lq/api/vo/SysFileVo.java b/src/main/java/com/lq/api/vo/SysFileVo.java
index 0960756..06968f5 100644
--- a/src/main/java/com/lq/api/vo/SysFileVo.java
+++ b/src/main/java/com/lq/api/vo/SysFileVo.java
@@ -2,5 +2,8 @@ package com.lq.api.vo;
 
 public class SysFileVo {
 
+    private String url;
+
+    
 
 }
diff --git a/src/main/java/com/lq/api/web/SysFileController.java b/src/main/java/com/lq/api/web/SysFileController.java
index fec17eb..1496d21 100644
--- a/src/main/java/com/lq/api/web/SysFileController.java
+++ b/src/main/java/com/lq/api/web/SysFileController.java
@@ -1,8 +1,10 @@
 package com.lq.api.web;
 
 import com.lq.api.service.SysFileService;
+import com.lq.api.vo.SysFileVo;
 import com.lq.cms.emun.StatusTypeEnum;
 import com.lq.code.entity.AjaxResult;
+import com.lq.code.util.BeanUtil;
 import com.lq.code.util.FileUtil;
 import com.lq.entity.SysFile;
 import org.slf4j.LoggerFactory;
@@ -14,6 +16,7 @@ import org.springframework.web.bind.annotation.RequestParam;
 import org.springframework.web.bind.annotation.ResponseBody;
 import org.springframework.web.multipart.MultipartFile;
 
+import javax.servlet.http.HttpServletRequest;
 import java.io.File;
 import java.io.IOException;
 import java.nio.file.FileSystems;
@@ -37,7 +40,7 @@ public class SysFileController {
 
     @RequestMapping("/upload")
     @ResponseBody
-    public Object upload(@RequestParam("files")MultipartFile[] files) throws IOException {
+    public Object upload(@RequestParam("files")MultipartFile[] files, HttpServletRequest request) throws IOException {
         AjaxResult ajaxResult = new AjaxResult();
         ajaxResult.setMsg("上传成功");
         Date nowTime = new Date();
@@ -65,6 +68,19 @@ public class SysFileController {
         }
         ajaxResult.setData(sysFileList);
         return ajaxResult;
+
+    }
+
+    @RequestMapping("/findAll")
+    @ResponseBody
+    public Object findAll(){
+
+        AjaxResult ajaxResult = new AjaxResult();
+        List<SysFile> list = sysFileService.findAll();
+        ajaxResult.setData(list);
+        ajaxResult.setMsg("");
+        ajaxResult.setSuccess(true);
+        return ajaxResult;
     }
 
 
diff --git a/src/main/java/com/lq/cms/aspectJ/SysUserServiceAspectj.java b/src/main/java/com/lq/cms/aspectJ/SysUserServiceAspectj.java
index 41f5dd9..7da2927 100644
--- a/src/main/java/com/lq/cms/aspectJ/SysUserServiceAspectj.java
+++ b/src/main/java/com/lq/cms/aspectJ/SysUserServiceAspectj.java
@@ -11,7 +11,7 @@ import org.springframework.stereotype.Component;
 @Component
 public class SysUserServiceAspectj {
 
-    @Pointcut("execution(* com.lq.cms.service.SysUserService.count(..))")
+    @Pointcut("execution(* com.lq.cms.service.SysUserService.findByLoginNameAndPassword(..))")
     public void perFormEncord(){}
 
 
@@ -34,7 +34,7 @@ public class SysUserServiceAspectj {
     //后置返回通知
     @AfterReturning(value = "perFormEncord()",returning = "retVal")
     public void afterReturning(JoinPoint joinPoint,Object retVal){
-      //  System.out.println(retVal);
+
 
     }
 
diff --git a/src/main/java/com/lq/cms/vo/BasePageVo.java b/src/main/java/com/lq/cms/vo/BasePageVo.java
index ebe144f..49be2e2 100644
--- a/src/main/java/com/lq/cms/vo/BasePageVo.java
+++ b/src/main/java/com/lq/cms/vo/BasePageVo.java
@@ -1,19 +1,27 @@
 package com.lq.cms.vo;
 
+import com.lq.code.util.sql.PageInterface;
+
 /**分页父类
  * Created by qi_liang on 2018/1/27.
  */
-public class BasePageVo {
+public class BasePageVo implements PageInterface {
 
     //页码
     private Integer page;
     //行数
     private Integer rows;
 
+    @Override
     public Integer getPage() {
         return page;
     }
 
+    @Override
+    public Integer getPageSize() {
+        return rows;
+    }
+
     public BasePageVo setPage(Integer page) {
         this.page = page;
         return this;
diff --git a/src/main/java/com/lq/code/interceptor/PageInteceptor.java b/src/main/java/com/lq/code/interceptor/PageInteceptor.java
index 091e87d..79607cc 100644
--- a/src/main/java/com/lq/code/interceptor/PageInteceptor.java
+++ b/src/main/java/com/lq/code/interceptor/PageInteceptor.java
@@ -5,6 +5,7 @@ import com.lq.code.util.StringUtil;
 import com.lq.code.util.sql.AbstractDbBuiler;
 import com.lq.code.util.sql.MysqlBuilder;
 import com.lq.code.util.sql.OracleBuiler;
+import com.lq.code.util.sql.PageInterface;
 import org.apache.ibatis.executor.Executor;
 import org.apache.ibatis.executor.statement.StatementHandler;
 import org.apache.ibatis.mapping.BoundSql;
@@ -50,7 +51,7 @@ public class PageInteceptor implements Interceptor {
             if (selectId.matches(pageSqlId)){
                 BoundSql boundSql=(BoundSql)metaStatementHandler.getValue("delegate.boundSql");
                 String sql=boundSql.getSql();
-                BasePageVo vo=(BasePageVo)boundSql.getParameterObject();
+                PageInterface pageInterface=(PageInterface)boundSql.getParameterObject();
                 AbstractDbBuiler db = null;
                 if (dialect.equals("mysql")){
                        db = new MysqlBuilder();
@@ -59,7 +60,7 @@ public class PageInteceptor implements Interceptor {
                      db = new OracleBuiler();
                 }
                 String countSql= db.countSql(sql);
-                String pageSql=db.concatPageSql(sql,vo);
+                String pageSql=db.concatPageSql(sql,pageInterface);
                 metaStatementHandler.setValue("delegate.boundSql.sql",pageSql);
 
             }
diff --git a/src/main/java/com/lq/code/util/BeanUtil.java b/src/main/java/com/lq/code/util/BeanUtil.java
index c2aa2d8..dbb8185 100644
--- a/src/main/java/com/lq/code/util/BeanUtil.java
+++ b/src/main/java/com/lq/code/util/BeanUtil.java
@@ -187,24 +187,26 @@ public class BeanUtil {
         String entityPath=entityClazz.getName();
         String [] entityNameArray=entityPath.split("\\.");
         String entityName=entityNameArray[entityNameArray.length-1];
-
         return entityName;
     }
 
-    public static void main(String[] args) {
-
-        SysUserVo vo = new SysUserVo();
-        vo.setPage(1);
-        vo.setCreateTime(new Date());
-        vo.setId(1L);
-        SysUser sysUser = new SysUser();
-        sysUser.setLoginName("小米数据");
-        copyNotNull(sysUser,vo);
-
-        System.out.println(sysUser.getId());
-        System.out.println(sysUser.getLoginName());
+    /**
+     *  判断对象是否该与类型一致
+     * @param obj
+     * @param clazzType
+     * @return
+     */
+    public static Boolean isType(Object obj,Class clazzType){
+        if (obj!=null) {
+            Class clazz = obj.getClass();
+            return clazz.getTypeName().equals(clazzType.getTypeName()) ? true : false;
+        }
+        else{
+            return false;
+        }
     }
 
+
     /**
      *  判断对象是否为空 ,为空返回true
      * @param object
diff --git a/src/main/java/com/lq/code/util/CastUtil.java b/src/main/java/com/lq/code/util/CastUtil.java
new file mode 100644
index 0000000..8acd613
--- /dev/null
+++ b/src/main/java/com/lq/code/util/CastUtil.java
@@ -0,0 +1,148 @@
+package com.lq.code.util;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * 转型操作工具
+ */
+public class CastUtil {
+
+
+    /**
+     *  对象类型转字符串类型
+     * @param obj  对象
+     * @return
+     */
+    public static String castString(Object obj){
+
+        return castString(obj,"");
+    }
+
+    /**
+     * 对象类型转字符串类型
+     * @param obj 对象
+     * @param defaultValue 默认值
+     * @return
+     */
+    public static String castString(Object obj,String defaultValue){
+
+        return obj !=null  ? String.valueOf(obj):defaultValue;
+    }
+
+    /**
+     *  对象类型转 double
+     * @param obj
+     * @return
+     */
+    public static double castDouble(Object obj){
+
+        return castDouble(obj, (double) 0);
+    }
+
+    /**
+     * 对象类型转 double
+     * @param obj
+     * @param defaultValue
+     * @return
+     */
+    public static double castDouble(Object obj,Double defaultValue){
+        double value = defaultValue;
+        if (obj!=null){
+            String strValue = castString(obj);
+            if (StringUtil.isNotNull(strValue)){
+                value = Double.parseDouble(strValue);
+            }
+        }
+        return value;
+    }
+
+    /**
+     *  对象类型转 int
+     * @param obj
+     * @return
+     */
+    public static int castInt(Object obj){
+
+        return castInt(obj,0);
+    }
+
+    /**
+     * 对象类型转 int
+     * @param obj
+     * @param defaultValue
+     * @return
+     */
+    public static int castInt(Object obj,Integer defaultValue){
+        int value = defaultValue;
+        if (obj!=null){
+            String strValue = castString(obj);
+            if (StringUtil.isNotNull(strValue)){
+                value = Integer.parseInt(strValue);
+            }
+        }
+        return value;
+    }
+
+    /**
+     * 对象类型转布尔
+     * @param obj
+     * @return
+     */
+    public static boolean castBoolean(Object obj){
+
+        return castBoolean(obj,false);
+    }
+
+    /**
+     * 对象类型转布尔
+     * @param obj
+     * @param defaultValue
+     * @return
+     */
+    public static boolean castBoolean(Object obj,Boolean defaultValue){
+        boolean valule = defaultValue;
+        if (obj!=null){
+            String strValue = castString(obj);
+            if (StringUtil.isNotNull(strValue)){
+                valule = Boolean.parseBoolean(strValue);
+            }
+        }
+        return valule;
+    }
+
+    /**
+     *  对象类型装整型(长整型)
+     * @param obj
+     * @return
+     */
+    public static long castLong(Object obj){
+
+        return castLong(obj,0L);
+    }
+
+    /**
+     * 对象类型装整型(长整型)
+     * @param obj
+     * @param defaultVaule
+     * @return
+     */
+    public static long castLong(Object obj,Long defaultVaule){
+        long value = defaultVaule;
+        if (obj!=null){
+            String strValue = castString(obj);
+            if (StringUtil.isNotNull(strValue)){
+                value = Long.parseLong(strValue);
+            }
+        }
+        return value;
+    }
+
+
+
+
+
+
+
+
+}
diff --git a/src/main/java/com/lq/code/util/Collectiontil.java b/src/main/java/com/lq/code/util/Collectiontil.java
new file mode 100644
index 0000000..161ab68
--- /dev/null
+++ b/src/main/java/com/lq/code/util/Collectiontil.java
@@ -0,0 +1,31 @@
+package com.lq.code.util;
+
+import org.apache.commons.collections.CollectionUtils;
+
+import java.util.Collection;
+
+/**
+ * 集合工具类
+ */
+public class Collectiontil {
+
+    /**
+     *  判断 collection 是否为null
+     * @param collection
+     * @return
+     */
+    public static boolean isEmpty(Collection<?> collection){
+
+        return CollectionUtils.isEmpty(collection);
+    }
+
+    /**
+     *  判断 集合是否不为 null
+     * @param collection
+     * @return
+     */
+    public static boolean isNotEmpty(Collection<?> collection){
+
+        return CollectionUtils.isNotEmpty(collection);
+    }
+}
diff --git a/src/main/java/com/lq/code/util/FileUtil.java b/src/main/java/com/lq/code/util/FileUtil.java
index 322fe32..f2bfa41 100644
--- a/src/main/java/com/lq/code/util/FileUtil.java
+++ b/src/main/java/com/lq/code/util/FileUtil.java
@@ -76,6 +76,7 @@ public class FileUtil {
             switch (fileFormat.toUpperCase()){
                 case "BMP":
                 case "JPEG":
+                case "JPG":
                 case "ICO":
                 case "PNG":
                 case "JNG":
@@ -92,6 +93,7 @@ public class FileUtil {
                     fileType = FileTypeEnum.FILE_TYPE_OTHER.getValue();break;
             }
         }
+
         return fileType;
     }
 
diff --git a/src/main/java/com/lq/code/util/PropsUtil.java b/src/main/java/com/lq/code/util/PropsUtil.java
new file mode 100644
index 0000000..1654393
--- /dev/null
+++ b/src/main/java/com/lq/code/util/PropsUtil.java
@@ -0,0 +1,113 @@
+package com.lq.code.util;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.io.FileNotFoundException;
+import java.io.IOException;
+import java.io.InputStream;
+import java.util.Properties;
+
+/**
+ * 属性文件工具类
+ */
+public class PropsUtil {
+
+    private static final Logger logger = LoggerFactory.getLogger(PropsUtil.class);
+
+    /**
+     * 加载属性文件
+     * @param fileName
+     * @return
+     */
+    public static Properties loadProps(String fileName){
+        Properties properties = null;
+        InputStream is = null;
+        try {
+            is = Thread.currentThread().getContextClassLoader().getResourceAsStream(fileName);
+            if (is == null){
+                 throw  new FileNotFoundException(fileName+" file is not found");
+            }
+            properties = new Properties();
+
+            properties.load(is);
+        } catch (IOException e) {
+            logger.error(" load properties file failure",e);
+        } finally {
+            if (is != null){
+                try {
+                    is.close();
+                } catch (IOException e) {
+                    logger.error("close input stram failure",e);
+                }
+            }
+        }
+        return properties;
+    }
+
+    public static String getString(Properties properties,String key){
+
+        return getString(properties,key,"");
+    }
+
+    /**
+     *  获取字符串类型属性
+     * @param properties      配置文件对象
+     * @param key             属性key
+     * @param defaultValue    属性为空，设置默认值
+     * @return
+     */
+    public static String getString(Properties properties,String key,String defaultValue){
+        String value = defaultValue;
+        if (properties.containsKey(key)){
+            value = properties.getProperty(key);
+        }
+        return value;
+    }
+
+    /**
+     *  获取整型属性(默认值:0)
+     * @param properties
+     * @param key
+     * @return
+     */
+    public static int getInt(Properties properties,String key){
+
+        return getInt(properties,key,0);
+    }
+
+    /**
+     *  获取整型属性
+     * @param properties
+     * @param key
+     * @param defaultValue
+     * @return
+     */
+    public static int getInt(Properties properties,String key,int defaultValue){
+        int value = defaultValue;
+        if (properties.containsKey(key)){
+            value = CastUtil.castInt(properties.getProperty(key));
+        }
+        return value;
+    }
+
+    /**
+     *  获取布尔类型属性（默认值：false）
+     * @param properties
+     * @param key
+     * @return
+     */
+    public static boolean getBoolean(Properties properties,String key){
+
+        return getBoolean(properties,key,false);
+    }
+
+    public static boolean getBoolean(Properties properties,String key,Boolean defaultValue){
+        boolean value = defaultValue;
+        if (properties.containsKey(key)){
+            value = CastUtil.castBoolean(properties.getProperty(key));
+        }
+        return value;
+    }
+
+}
diff --git a/src/main/java/com/lq/code/util/jdbc/JdbcUtils.java b/src/main/java/com/lq/code/util/jdbc/JdbcUtils.java
index 434ee29..5334570 100644
--- a/src/main/java/com/lq/code/util/jdbc/JdbcUtils.java
+++ b/src/main/java/com/lq/code/util/jdbc/JdbcUtils.java
@@ -1,5 +1,6 @@
 package com.lq.code.util.jdbc;
 
+import com.lq.code.util.PropsUtil;
 import com.lq.code.util.StringUtil;
 import com.lq.code.util.jdbc.mode.Column;
 import com.lq.code.util.jdbc.mode.DbInfo;
@@ -23,18 +24,16 @@ public class JdbcUtils {
 	private static String password = null;
 
 	static {
-		InputStream in = JdbcUtils.class.getClassLoader().getResourceAsStream("jdbc.properties");
-		Properties prop = new Properties();
 		try {
-			prop.load(in);
+			Properties prop = PropsUtil.loadProps("jdbc.properties");
 
-			driver = prop.getProperty("jdbc.driver");
+			driver = PropsUtil.getString(prop,"jdbc.driver");
 
-			url = prop.getProperty("jdbc.url");
+			url =  PropsUtil.getString(prop,"jdbc.url");
 
-			username = prop.getProperty("jdbc.user");
+			username = PropsUtil.getString(prop,"jdbc.user");
 
-			password = prop.getProperty("jdbc.password");
+			password = PropsUtil.getString(prop,"jdbc.password");
 
 			Class.forName(driver);
 		} catch (Exception e) {
diff --git a/src/main/java/com/lq/code/util/sql/AbstractDbBuiler.java b/src/main/java/com/lq/code/util/sql/AbstractDbBuiler.java
index cb013c3..73cf2b3 100644
--- a/src/main/java/com/lq/code/util/sql/AbstractDbBuiler.java
+++ b/src/main/java/com/lq/code/util/sql/AbstractDbBuiler.java
@@ -21,10 +21,10 @@ public abstract class AbstractDbBuiler {
     /**
      *   构建分页sql语句
      * @param sql
-     * @param vo
+     * @param pageInterface
      * @return
      */
-     abstract public String concatPageSql(String sql, BasePageVo vo);
+     abstract public String concatPageSql(String sql, PageInterface pageInterface);
 
     /**
      *  构建创建表的sql语句
diff --git a/src/main/java/com/lq/code/util/sql/MysqlBuilder.java b/src/main/java/com/lq/code/util/sql/MysqlBuilder.java
index d012f8b..d82a3ac 100644
--- a/src/main/java/com/lq/code/util/sql/MysqlBuilder.java
+++ b/src/main/java/com/lq/code/util/sql/MysqlBuilder.java
@@ -98,11 +98,11 @@ public class MysqlBuilder extends AbstractDbBuiler {
     }
 
     @Override
-    public String concatPageSql(String sql, BasePageVo vo) {
+    public String concatPageSql(String sql, PageInterface pageInterface) {
 
         StringBuffer sb=new StringBuffer(sql);
-        Integer index=(vo.getPage()-1)*vo.getRows();
-        sb.append(" limit ").append(index).append(","+vo.getRows());
+        Integer index=(pageInterface.getPage()-1)*pageInterface.getPageSize();
+        sb.append(" limit ").append(index).append(","+pageInterface.getPageSize());
         return sb.toString();
     }
 
diff --git a/src/main/java/com/lq/code/util/sql/OracleBuiler.java b/src/main/java/com/lq/code/util/sql/OracleBuiler.java
index a2a2343..f76a879 100644
--- a/src/main/java/com/lq/code/util/sql/OracleBuiler.java
+++ b/src/main/java/com/lq/code/util/sql/OracleBuiler.java
@@ -16,11 +16,11 @@ public class OracleBuiler extends AbstractDbBuiler {
     }
 
     @Override
-    public String concatPageSql(String sql, BasePageVo vo) {
+    public String concatPageSql(String sql, PageInterface pageInterface) {
         StringBuffer sb=new StringBuffer("select * from (select t1.*,ROWNUM rm from(");
         sb.append(sql);
-        Integer index=(vo.getPage()-1)*vo.getRows();
-        sb.append(")t1 where rownum<="+(index+vo.getRows())+") where rm>"+index);
+        Integer index=(pageInterface.getPage()-1)*pageInterface.getPageSize();
+        sb.append(")t1 where rownum<="+(index+pageInterface.getPageSize())+") where rm>"+index);
         return sb.toString();
     }
 
diff --git a/src/main/java/com/lq/code/util/sql/PageInterface.java b/src/main/java/com/lq/code/util/sql/PageInterface.java
new file mode 100644
index 0000000..db8e78e
--- /dev/null
+++ b/src/main/java/com/lq/code/util/sql/PageInterface.java
@@ -0,0 +1,19 @@
+package com.lq.code.util.sql;
+
+/**
+ *  分页抽象类
+ */
+public interface PageInterface {
+
+    /**
+     *  页码
+     * @return
+     */
+    Integer getPage();
+
+    /**
+     *  每页数量
+     * @return
+     */
+    Integer getPageSize();
+}
diff --git a/src/main/java/com/lq/code/util/sql/SqlUtil.java b/src/main/java/com/lq/code/util/sql/SqlUtil.java
index 60cbeec..4bcf337 100644
--- a/src/main/java/com/lq/code/util/sql/SqlUtil.java
+++ b/src/main/java/com/lq/code/util/sql/SqlUtil.java
@@ -35,6 +35,11 @@ public class SqlUtil {
         return strBuffer.toString().toLowerCase();
     }
 
+    /**
+     *  驼峰装大小写
+     * @param str
+     * @return
+     */
     public static String humpToCase(String str){
         StringBuffer strBuffer=new StringBuffer();
         char[] charArray=str.toCharArray();
diff --git a/src/main/resources/dev/jdbc.properties b/src/main/resources/dev/jdbc.properties
index ae81719..d3183b2 100644
--- a/src/main/resources/dev/jdbc.properties
+++ b/src/main/resources/dev/jdbc.properties
@@ -2,15 +2,10 @@ jdbc.driver=com.mysql.jdbc.Driver
 jdbc.url=jdbc:mysql://localhost:3306/ssm?useUnicode=true&characterEncoding=UTF-8&characterSetResults=UTF-8
 jdbc.user=root
 jdbc.password=mysql
-#\u5B9A\u4E49\u521D\u59CB\u8FDE\u63A5\u6570  
-initialSize=0  
-#\u5B9A\u4E49\u6700\u5927\u8FDE\u63A5\u6570  
+initialSize=5  
 maxActive=5 
-#\u5B9A\u4E49\u6700\u5927\u7A7A\u95F2  
 maxIdle=5  
-#\u5B9A\u4E49\u6700\u5C0F\u7A7A\u95F2  
 minIdle=1  
-#\u5B9A\u4E49\u6700\u957F\u7B49\u5F85\u65F6\u95F4  
-maxWait=6000  
+maxWait=60000  
 email.port=Create property
 
diff --git a/src/main/resources/spring-mvc-config.xml b/src/main/resources/spring-mvc-config.xml
index 52bdd4a..056c06e 100644
--- a/src/main/resources/spring-mvc-config.xml
+++ b/src/main/resources/spring-mvc-config.xml
@@ -52,7 +52,8 @@
 	  <mvc:message-converters register-defaults="true">
 	    <bean class="org.springframework.http.converter.StringHttpMessageConverter">
 	    <property name="supportedMediaTypes" value="text/html;charset=utf-8"/>
-	    </bean></mvc:message-converters>
+	    </bean>
+	  </mvc:message-converters>
 	</mvc:annotation-driven>
 
 
diff --git a/src/main/resources/spring-mybatis-config.xml b/src/main/resources/spring-mybatis-config.xml
index a6c0168..00e1928 100644
--- a/src/main/resources/spring-mybatis-config.xml
+++ b/src/main/resources/spring-mybatis-config.xml
@@ -27,26 +27,41 @@
         <property name="username" value="${jdbc.user}" />
         <property name="password" value="${jdbc.password}" />
         <property name="driverClassName" value="${jdbc.driver}" />
+        <!--属性类型是字符串，通过别名的方式配置扩展插件，常用的插件有：
+            监控统计用的filter:stat日志用的filter:log4j防御sql注入的filter:wall-->
         <property name="filters" value="stat" />
-
-        <property name="maxActive" value="50" />
-        <property name="initialSize" value="5" />
-        <property name="maxWait" value="10000" />
-        <property name="minIdle" value="5" />
-
+        <!--最大连接池数量-->
+        <property name="maxActive" value="${maxActive}" />
+        <!-- 初始化时建立物理连接的个数。初始化发生在显示调用init方法，或者第一次getConnection时-->
+        <property name="initialSize" value="${initialSize}" />
+        <!--获取连接时最大等待时间，单位毫秒。配置了maxWait之后，缺省启用公平锁，并发效率会有所下降，如果需要可以通过配置useUnfairLock属性为true使用非公平锁。-->
+        <property name="maxWait" value="${maxWait}" />
+        <!--最小连接池数量-->
+        <property name="minIdle" value="${minIdle}" />
+        <!--有两个含义：1.Destroy线程会检测连接的间隔时间 2.testWhileIdle的判断依据，-->
         <property name="timeBetweenEvictionRunsMillis" value="60000" />
-        <property name="minEvictableIdleTimeMillis" value="300000" />
 
+        <!--是否缓存preparedStatement，也就是PSCache。PSCache对支持游标的数据库性能提升巨大，比如说oracle。在mysql下建议关闭。-->
+        <property name="poolPreparedStatements" value="false"/>
+        <!--要启用PSCache，必须配置大于0，当大于0时，poolPreparedStatements自动触发修改为true。在Druid中，不会存在Oracle下PSCache占用内存过多的问题，可以把这个数值配置大一些，比如说100-->
+       <!-- <property name="maxPoolPreparedStatementPerConnectionSize" value="100"/>-->
+        
+        <property name="minEvictableIdleTimeMillis" value="300000" />
+        <!--用来检测连接是否有效的sql，要求是一个查询语句。如果validationQuery为null，testOnBorrow、testOnReturn、testWhileIdle都不会其作用。-->
         <property name="validationQuery" value="SELECT 'X'" />
+        <!--建议配置为true，不影响性能，并且保证安全性。申请连接的时候检测，如果空闲时间大于timeBetweenEvictionRunsMillis，执行validationQuery检测连接是否有效。-->
         <property name="testWhileIdle" value="true" />
-        <property name="testOnBorrow" value="true" />
+        <!--申请连接时执行validationQuery检测连接是否有效，做了这个配置会降低性能。-->
+        <property name="testOnBorrow" value="false" />
+        <!--归还连接时执行validationQuery检测连接是否有效，做了这个配置会降低性能-->
         <property name="testOnReturn" value="false" />
-        <property name="maxOpenPreparedStatements"
-                  value="20" />
         <property name="removeAbandonedTimeout" value="1800" /> <!-- 1800秒，也就是30分钟 -->
         <property name="logAbandoned" value="true" /> <!-- 关闭abanded连接时输出错误日志 -->
+        <!-- 物理连接初始化的时候执行的sql-->
+       <!-- <property name="connectionInitSqls" value=""/>-->
     </bean>
 
+
     <!-- spring和MyBatis完美整合，不需要mybatis的配置映射文件 -->  
     <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">  
         <property name="dataSource" ref="dataSource" />