# html2excel
**Repository Path**: lelezr/html2excel
## Basic Information
- **Project Name**: html2excel
- **Description**: html2excel是一款将html中表格(table)转化成excel的工具包
- **Primary Language**: Unknown
- **License**: Apache-2.0
- **Default Branch**: master
- **Homepage**: None
- **GVP Project**: No
## Statistics
- **Stars**: 0
- **Forks**: 23
- **Created**: 2018-12-21
- **Last Updated**: 2020-12-19
## Categories & Tags
**Categories**: Uncategorized
**Tags**: None
## README
# html2excel 文档
[](https://travis-ci.org/liaochong/html2excel)
[](https://maven-badges.herokuapp.com/maven-central/com.github.liaochong/html2excel)
[](http://www.apache.org/licenses/LICENSE-2.0.html)
html2excel是一款将html中表格(table)转化成excel的工具包.
版本支持 | Support Version
------------------
- All version - only support for Java 8+
优点 | Advantages
------------------
- **零学习成本**:使用html作为模板,学习成本几乎为零;
- **可生成任意复杂表格**:本工具使用迭代单元格方式进行excel绘制,可生成任意复杂度excel;
- **屏蔽POI操作**:不直接操作过重的POI;
- **支持常用背景色、边框、字体等样式设置**:具体参见详情部分;
- **支持.XLS、.XLSX**:支持生成.xls、.xlsx后缀的excel;
- **支持多种模板引擎**:支持Freemarker、Groovy、Beetl等常用模板引擎,默认内置Beetl模板引擎(推荐引擎,[Beetl文档](http://ibeetl.com/guide/#beetl));
- **提供默认模板引擎,直接输出简单excel**:无需编写任何html,已内置默认模板,可直接根据POJO数据列表输出;
- **支持一次生成多sheet**:以table作为sheet单元,支持一份excel文档中多sheet;
注意 | Attention
------------------
目前只支持模板文件存放在classpath下
Maven 依赖
------------------
```xml
com.github.liaochong
html2excel
x.x.x(参见上方最新版本)
```
可选模板 | Template
------------------
1. 以下模板引擎除Beetl外默认均未被引入,使用者可根据自身需要选择在pom.xml中声明引入;
2. 以下模板引擎版本为最低版本号;
```xml
com.ibeetl
beetl
2.7.23
org.freemarker
freemarker
2.3.23
org.codehaus.groovy
groovy-templates
2.4.13
```
支持样式 | Support Style
------------------
CSS样式名称|样式值|示例
---------|-----|---
background-color|十六进制:#FFFFFF、RGB:rgb(0,255,255)、常用背景色名称:green,推荐使用十六进制|style="background-color:#ABFF00"
CSS样式名称|样式值|示例
---------|-----|---
border-top-style|thin、dashed、medium、dotted、thick、double、hair、medium_dashed、dash_dot|style="border-top-style:thin"
border-right-style|thin、dashed、medium、dotted、thick、double、hair、medium_dashed、dash_dot|style="border-top-style:thin"
border-bottom-style|thin、dashed、medium、dotted、thick、double、hair、medium_dashed、dash_dot|style="border-top-style:thin"
border-left-style|thin、dashed、medium、dotted、thick、double、hair、medium_dashed、dash_dot|style="border-top-style:thin"
CSS样式名称|样式值|示例
---------|-----|---
font-size|数值:14px(只会截取数值)|style="font-size:14px"
font-family|Times New Roman(不支持备选字体)|style="font-family:Times New Roman"
font-style|italic|style="font-style:italic"
font-weight|bold|style="font-weight:bold"
CSS样式名称|样式值|示例
---------|-----|---
text-align|general,left,center,right,fill,justify,center_selection,distributed|style="text-align:center"
vertical-align|top,center,bottom,justify,distributed|style="vertical-align:center"
示例 | Example
------------------
1. 已存在html文件,使用这种方式时,html文件不局限于放在项目的classpath下
```java
// get html file
File htmlFile = new File("/Users/liaochong/Downloads/example.html");
// read the html file and use default excel style to create excel
Workbook workbook = HtmlToExcelFactory.readHtml(htmlFile).useDefaultStyle().build();
// this is a example,you can write the workbook to any valid outputstream
OutputStream writer = new FileOutputStream(new File("/Users/liaochong/Downloads/excel.xlsx"));
workbook.write(writer);
```
2. 使用freemarker等模板引擎,具体请参照项目中的example
```java
/**
* use non-default-style excel builder
*
* @param response response
*/
@GetMapping("/freemarker/build")
public void build(HttpServletResponse response) {
ExcelBuilder excelBuilder = new FreemarkerExcelBuilder();
Workbook workbook = excelBuilder.template("/templates/freemarker_template.ftl").build(new HashMap<>());
response.setCharacterEncoding(CharEncoding.UTF_8);
response.addHeader("Content-Disposition", "attachment;filename=" + new String("freemarker_excel.xlsx".getBytes()));
try {
workbook.write(response.getOutputStream());
} catch (IOException e) {
e.printStackTrace();
}
}
/**
* use default-style excel builder
*
* @param response response
*/
@GetMapping("/freemarker/default_style/build")
public void buildWithDefaultStyle(HttpServletResponse response) {
ExcelBuilder excelBuilder = new FreemarkerExcelBuilder();
Workbook workbook = excelBuilder.template("/templates/freemarker_template.ftl").useDefaultStyle().build(new HashMap<>());
response.setCharacterEncoding(CharEncoding.UTF_8);
response.addHeader("Content-Disposition", "attachment;filename=" + new String("freemarker_excel.xlsx".getBytes()));
try {
workbook.write(response.getOutputStream());
} catch (IOException e) {
e.printStackTrace();
}
}
```
3. 默认模板引擎使用
```java
// title
List titles = new ArrayList<>();
titles.add("姓名");
titles.add("年龄");
// field display order
List order = new ArrayList<>();
order.add("name");
order.add("age");
// display data
TestDO testDO = new TestDO();
testDO.setName("张三");
TestDO testDO1 = new TestDO();
testDO1.setName("李四");
TestDO testDO2 = new TestDO();
testDO2.setName("王五");
testDO2.setAge(15);
TestDO testDO3 = new TestDO();
testDO3.setName("陈六");
testDO3.setAge(25);
List dataList = new ArrayList<>();
dataList.add(testDO);
dataList.add(testDO1);
dataList.add(testDO2);
dataList.add(testDO3);
Workbook workbook = DefaultExcelBuilder.getInstance()
.sheetName("default example")
.titles(titles)
.fieldDisplayOrder(order)
.build(dataList);
```
4. Excel sheet名称设置:table中添加 `Monthly savings`
可操作项 | Operational item
-------------------------
操作方法|说明
------|----
useDefaultStyle|使用默认样式,忽略html文件中自定义样式
freezePanes|固定窗口,可固定指定的行列
扩展 | Extend
------------------
如需使用非Freemarker、Groovy、Beetl模板引擎,可自行扩展,扩展规则如下:
1. 继承 `ExcelBuilder` 抽象类;
2. 实现抽象方法 `ExcelBuilder getTemplate(String path)`、`Workbook build(Map data)`;