struts2 + freemark + itext 导出pdf(基于模板方式)
生成静态页面方法：
private void statHtml(Product product){
try{
//初始化FreeMarker配置
//创建一个Configuration实例
cfg = new Configuration();
cfg.setDirectoryForTemplateLoading(new File(ServletActionContext.getRequest().getSession().getServletContext().getRealPath("/")+"jsp\\product"));
cfg.setEncoding(Locale.getDefault(), "utf-8");
//创建模版对象
Template t = cfg.getTemplate("look.html");
t.setEncoding("utf-8");
//生成静态
String path = ServletActionContext.getRequest().getSession().getServletContext().getRealPath("/")+"jsp\\product";
//在模版上执行插值操作，并输出到制定的输出流中
File fileName = new File(path + "\\look1.html");
Writer out = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(fileName), "utf-8"));
t.process(product, out);
out.flush();
out.close();
}catch(Exception e){
e.printStackTrace();
}
}
导出pdf:
public String downPdf() throws Exception{
ITextRenderer renderer = new ITextRenderer();
if(id > 0 && !"".equals(id)){
product = productService.modProduct(id);
statHtml(product);
}
String dest = ServletActionContext.getRequest().getSession().getServletContext().getRealPath("/")+"jsp\\product";
String outputFile =dest+"\\"+ "报告" + ".pdf"; //定义输出文件全名
File outFile = new File(outputFile);
if (!outFile.exists()) {
outFile.getParentFile().mkdirs();
}
OutputStream os = new FileOutputStream(outputFile);
String path = dest+"\\look1.html";
String url = new File(path).toURI().toURL().toString();
// 解决中文支持问题
ITextFontResolver fontResolver = renderer.getFontResolver();
fontResolver.addFont(dest +"\\arialuni.ttf", BaseFont.IDENTITY_H,BaseFont.NOT_EMBEDDED);
renderer.setDocument(url);
renderer.layout();
renderer.createPDF(os);
os.flush();
os.close();
return SUCCESS;
}
private InputStream pdfStream; private String pdfName; 给出get,set方法
xml配置：
<action name="downPdf" class="com.mobile.action.product.ProductAction" method="downPdf">
<result name="success" type="stream">
<param name="contentType">application/pdf; charset=gb2312</param>
<param name="inputName">pdfStream</param>
<param name="contentDisposition">attachment; filename="${pdfName}"</param>
<param name="bufferSize">4096</param>
</result>
</action>
html 模板：
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="content-type" content="text/html; charset=UTF-8"></meta>
<style type="text/css">
@page {
size: A4 landscape;
}
h1{font-size:16px;text-align:center}
table{width:100%;border-collapse:collapse;table-layout:fixed}
table th,table td{border:1px solid gray;text-align:center;font-size:12px;padding:3px;font-weight:normal}
table.signature td{border:0}
p,ul li{line-height:1.5em}
span.hl{color:red}
#report-item-notes{list-style:none}
#report-item-notes ol{list-style:none}
</style>
</head>
<body style="font-family:'Arial Unicode MS'"> 必须加这个样式，style 样式要写在 head 里面
<h1>产品信息</h1>
<table>
<tbody>
<tr>
<th>产品名称：</th>
<th>产品价格：</th>
</tr>
<tr>
<td>${productName}</td>
<td>${productPrice}</td>
</tr>
</tbody>
</table>
</body>
</html>