/**
* 修改页面提交表单 action="system/choicenesscontent/save"
*
* @param yc
* @param m
* @return
* @throws IOException
*/
@RequestMapping("/save")
public String save(YztChoicenesscontent yc, ModelMap m, HttpServletRequest request) {
Json json = new Json();
int flag = 0;
// 修改之前先判断是否
String introduction = yc.getIntroduction();
if (CommonUtil.notEmpty(yc.getId())) {
// 不为空的时候是修改
yc.setModfiytime(new Date());
// 写入流
try {
saveHtmlUrl(request, yc);
} catch (IOException e) {
e.printStackTrace();
}
flag = choicenesscontentService.updateNotNull(yc);
} else {
// 为空的时候添加
try {
saveHtmlUrl(request, yc);
} catch (IOException e) {
e.printStackTrace();
}
yc.setId(GUIDGener.getGUID());
yc.setCreatetime(new Date());
yc.setPicCount(0);
yc.setViewCount(1);
flag = choicenesscontentService.save(yc);
}
return "redirect:view/" + yc.getId();
}
/**
* 将用户提交的简介写入html文件中， 并将文件的url设置进的htmlurl属性中
*
* @param request
* @param choicenesscontent
* @throws IOException
*/
private void saveHtmlUrl(HttpServletRequest request, YztChoicenesscontent choicenesscontent)
throws IOException {
// 保存简介的html
String introduction = choicenesscontent.getIntroduction();
String htmlStr =
"<!DOCTYPE html><head><meta charset=\"UTF-8\"><title>内容简介</title></head><body>"
+ introduction
+ "</body></html>";
/* String htmlStr = choicenesscontent.getIntroduction(); */
// 返回简介html 要存在服务器上的绝对路径
String path = "upload/choicenesscontent/" + choicenesscontent.getId() + ".html";
String realRootPath = request.getServletContext().getRealPath("/") + path;
File file = new File(realRootPath);
BufferedWriter bw = new BufferedWriter(new FileWriter(file));
bw.write(htmlStr);
// 拼成一个url路径
String htmlurl =
request.getScheme()
+ "://"
+ request.getServerName()
+ ":"
+ request.getServerPort()
+ request.getContextPath()
+ "/"
+ path;
choicenesscontent.setIntroductionHtmlUrl(htmlurl);
bw.close();
}