java导出PDF详细教程+各种踩坑

直接上代码了

所需依赖：

<dependency><groupId>com.itextpdf</groupId><artifactId>itextpdf</artifactId><version>5.4.3</version>
</dependency><dependency><groupId>com.itextpdf</groupId><artifactId>itext-asian</artifactId><version>5.2.0</version>
</dependency>

控制层代码：

@RequestMapping("/downloadLogPDF")
public void downloadLogPDF(HttpServletRequest request, HttpServletResponse response) {tLogService.downloadLogPDF(request, response);
}

实现类代码：

 @Overridepublic void downloadLogPDF(HttpServletRequest request, HttpServletResponse response) {//解析request中的请求参数String interfaceType = request.getParameter("interfaceType");String startDate = request.getParameter("startDate");String endDate = request.getParameter("endDate");List<Map<String, Object>> dataResult = getLogListByType(interfaceType, startDate, endDate);String fileName = "日志报表_" + startDate.split(" ")[0].toString() + "~" + endDate.split(" ")[0].toString() + ".pdf";String path = System.getProperty("user.dir") + "/downLoad/";//设置基础中文字体BaseFont bfChinese = null;try