ocupload、struts2实现excel文件上传，poi解析

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"> <modelVersion>4.0.0</modelVersion>
<groupId>cn.itcast.bos</groupId>
<artifactId>mavenbos</artifactId>
<version>0.0.1-SNAPSHOT</version>
<packaging>war</packaging>
<name>mavenbos</name>
<properties>
<spring.version>3.2.12.RELEASE</spring.version>
<spring-data.version>1.4.1.RELEASE</spring-data.version>
<hibernate.version>3.6.10.Final</hibernate.version>
<sl4j.version>1.7.6</sl4j.version>
<struts2.version>2.3.15.3</struts2.version>
<c3p0.version>0.9.1.2</c3p0.version>
<oracle.version>10.2.0.4.0</oracle.version>
<servlet.version>2.5</servlet.version>
<jsp.version>2.0</jsp.version>
<junit.version>4.11</junit.version>
<hibernate-tools.version>3.2.4.GA</hibernate-tools.version>
<poi.version>3.9</poi.version>
<cxf.version>2.2.3</cxf.version>
<hibernate-search.version>3.4.2.Final</hibernate-search.version>
<shiro.version>1.2.2</shiro.version>
</properties>
<dependencies>
<!-- spring  -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context</artifactId>
<version>${spring.version}</version>
</dependency>

<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-aspects</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-orm</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-web</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-test</artifactId>
<version>${spring.version}</version>
</dependency>
<!-- hiberante -->
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-core</artifactId>
<version>${hibernate.version}</version>
</dependency>
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-entitymanager</artifactId>
<version>${hibernate.version}</version>
</dependency>
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-log4j12</artifactId>
<version>${sl4j.version}</version>
</dependency>
<dependency>
<groupId>org.apache.struts</groupId>
<artifactId>struts2-core</artifactId>
<version>${struts2.version}</version>
</dependency>
<!-- struts整合spring -->
<dependency>
<groupId>org.apache.struts</groupId>
<artifactId>struts2-spring-plugin</artifactId>
<version>${struts2.version}</version>
</dependency>
<!-- struts2注解开发 -->
<dependency>
<groupId>org.apache.struts</groupId>
<artifactId>struts2-convention-plugin</artifactId>
<version>${struts2.version}</version>
</dependency>
<!-- struts2-json插件 -->
<dependency>
<groupId>org.apache.struts</groupId>
<artifactId>struts2-json-plugin</artifactId>
<version>${struts2.version}</version>
</dependency>

<!-- c3p0 -->
<dependency>
<groupId>c3p0</groupId>
<artifactId>c3p0</artifactId>
<version>${c3p0.version}</version>
</dependency>
<!-- oracle驱动 -->
<dependency>
<groupId>com.oracle</groupId>
<artifactId>ojdbc14</artifactId>
<version>${oracle.version}</version>
</dependency>
<!-- servlet jsp -->
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>servlet-api</artifactId>
<version>${servlet.version}</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>jsp-api</artifactId>
<version>${jsp.version}</version>
<scope>provided</scope>
</dependency>
<!-- junit -->
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>${junit.version}</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.springframework.data</groupId>
<artifactId>spring-data-jpa</artifactId>
<version>${spring-data.version}</version>
</dependency>
<!-- poi类库 -->
<dependency>
<groupId>org.apache.poi</groupId>
<artifactId>poi</artifactId>
<version>${poi.version}</version>
</dependency>
<dependency>
<groupId>org.apache.poi</groupId>
<artifactId>poi-ooxml</artifactId>
<version>${poi.version}</version>
</dependency>

<dependency>
<groupId>pinyin4j</groupId>
<artifactId>pinyin4j</artifactId>
<version>2.5.0</version>
</dependency>
<!-- cxf -->
<dependency>
<groupId>org.apache.cxf</groupId>
<artifactId>cxf-rt-frontend-jaxws</artifactId>
<version>${cxf.version}</version>
</dependency>
<dependency>
<groupId>org.apache.cxf</groupId>
<artifactId>cxf-rt-transports-http</artifactId>
<version>${cxf.version}</version>
</dependency>
<!-- asm -->
<dependency>
<groupId>asm</groupId>
<artifactId>asm</artifactId>
<version>3.3.1</version>
</dependency>

<!-- hibernate-search jar -->
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-search</artifactId>
<version>${hibernate-search.version}</version>
</dependency>

<!-- 引入ik 分词器jar -->
<dependency>
<groupId>cn.itcast.bos.ik</groupId>
<artifactId>myik</artifactId>
<version>2.2.1</version>
</dependency>

<!--   shiro -->
<dependency>
<groupId>org.apache.shiro</groupId>
<artifactId>shiro-all</artifactId>
<version>${shiro.version}</version>
</dependency>

</dependencies>
<build>
<plugins>
<!-- 配置 hibernate3 maven plugin -->
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>hibernate3-maven-plugin</artifactId>
<version>2.2</version>
<configuration>
<components>
<component>
<!-- 该命令反向生成 XXX.hbm.xml  -->
<name>hbm2hbmxml</name>
<implementation>jdbcconfiguration</implementation>
<!-- 生成文件目录 -->
<outputDirectory>target/generated-resources/hibernate</outputDirectory>
</component>
<component>
<!-- 该命令反向生成实体类 没有注解 -->
<name>hbm2java</name>
<implementation>jdbcconfiguration</implementation>
<!-- 实体类生成目录 -->
<outputDirectory>target/generated-sources/hibernate</outputDirectory>
</component>
</components>
<componentProperties>
<!-- reveng.xml 定义表生成实体类规则   -->
<revengfile>src/main/resources/reveng.xml</revengfile>
<!-- 配置连接连接数据库信息 4个 -->
<propertyfile>src/main/resources/hibernate.properties</propertyfile>
<!-- 没有配置reveng.xml 规则  实体类会生成在 下列包下 -->
<packagename>cn.itcast.bos.domain</packagename>
<jdk5>true</jdk5>
<!-- true 生成注解   false 表示不生成注解 -->
<ejb3>true</ejb3>
</componentProperties>
</configuration>
<dependencies>
<dependency>
<groupId>cglib</groupId>
<artifactId>cglib-nodep</artifactId>
<version>2.2.2</version>
</dependency>
<dependency>
<groupId>com.oracle</groupId>
<artifactId>ojdbc14</artifactId>
<version>${oracle.version}</version>
<scope>runtime</scope>
</dependency>
</dependencies>
</plugin>
<plugin>
<groupId>org.apache.tomcat.maven</groupId>
<artifactId>tomcat7-maven-plugin</artifactId>
<version>2.1</version>
<configuration>
<port>80</port>
</configuration>
</plugin>

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</plugins>
</build>
</project>

前端通过ocupload进行处理：

<pre name="code" class="javascript">//   添加 ocup
$("#button-import").upload({
name: 'upload',
action: '${pageContext.request.contextPath}/bc/regionAction_importData',
enctype: 'multipart/form-data',
onSelect: function() {
this.autoSubmit = false;  //  选择文件 阻止表单的请求提交
//  var re = /^.+\.xlsx?$/;    //   excel 扩展名  xxxx.xls  .xlsx
var re = /^.+[\.xls|\.xlsx]$/;    //   excel 扩展名  xxxx.xls  .xlsx
if (re.test(this.filename())) {
this.submit();
}
else {
$.messager.alert("警告","必须上传excel","warning");
}
},
//  等服务器解析excel文件之后   回送data  回调函数...实现
onComplete: function(response) {
// {"flag":true}   //  疑问:   是不是一个js 对象?  不是js对象...而是一个字符串 长的是js对象.
//  基础问题  字符串 转换 js 对象!  $()  eval("("+str+")")
var data = eval("("+response+")");
if(data.flag){
$.messager.alert("恭喜","批量导入成功","info");
}else{
$.messager.alert("错误","服务器...报错啦.导入失败..","error");
}
}
});

// 1: struts2 接受上传文件 由 默认栈 拦截器 FileUploadInterceptor
private File upload;

public void setUpload(File upload) {
this.upload = upload;
}

/**
* action 利用poi 将excel 文件数据解析 封装到 List<Region> 集合
*
* @return
* @throws Exception
* @throws FileNotFoundException
*/
@Action(value = "regionAction_importData")
public String importData() throws Exception {
Map<String, Object> results = new HashMap<String, Object>();
try {
// poi 解析文件 学习 poi 解析 excel 类库 数据 插入到数据库 region 数据 List<Region>
// 1: 获取excel文件对象 HSSFWorkBook 对象
HSSFWorkbook workbook = new HSSFWorkbook(new FileInputStream(upload));
// 2: 获取excel数据 获取 sheet --->row---->cell--->value---->Region.setXXX()--->list.add(region)
HSSFSheet sheet = workbook.getSheetAt(0);
List<Region> regions = new ArrayList<Region>();
for (Row row : sheet) {
// row 当前sheet 每一个行对象
// 第一行不要解析 排除
if (row.getRowNum() == 0) {
continue;
}
// 读取每一行数据
Region r = new Region();
r.setId(row.getCell(0).getStringCellValue());// 区域编号 添加数据库表region中 注解采用assigned
r.setProvince(row.getCell(1).getStringCellValue());
r.setCity(row.getCell(2).getStringCellValue());
r.setDistrict(row.getCell(3).getStringCellValue());
r.setPostcode(row.getCell(4).getStringCellValue());
// pingyin4j 实现 省市区 简记码生成
String provice = row.getCell(1).getStringCellValue();// 省
String city = row.getCell(2).getStringCellValue();// 北京市
String district = row.getCell(3).getStringCellValue();// 区域
provice = provice.substring(0, provice.length() - 1);// 北京
city = city.substring(0, city.length() - 1);// 北京
district = district.substring(0, district.length() - 1);// 东城
String[] shortArr = PinYin4jUtils.getHeadByString(provice + city + district);
String shortcode = getStringFromArray(shortArr);// 抽取方法
r.setShortcode(shortcode);// 简码 默认
String[] cityArr = PinYin4jUtils.getHeadByString(city);
String cityCode = getStringFromArray(cityArr);// 抽取方法
r.setCitycode(cityCode);// 市去掉即可
// getStringCellValue() 只能获取 字符类型数据
regions.add(r);
}
// 3: 调用业务层
regionService.importData(regions);
results.put("flag", true);
} catch (Exception e) {
e.printStackTrace();
results.put("flag", false);
}
getValueStack().push(results);
return SUCCESS;
}

private String getStringFromArray(String[] cityArr) {
if (cityArr != null && cityArr.length != 0) {
StringBuffer sb = new StringBuffer();
for (String s : cityArr) {
sb.append(s);
}
return sb.toString();
}
return null;
}