public static void main(String[] args) {
BaiDuSpider s = new BaiDuSpider();
Keyword keyWordModel = new Keyword();
keyWordModel.setKeyword("畜禽养殖");
Task taskModel = new Task();
taskModel.setId_spider_task(99);
s.setTaskModel(taskModel);
List<KeywordInfo> infoModels = null;
s.doGrab(keyWordModel, infoModels);
}
@Override
protected int doGrab(Keyword keyWordModel, List<KeywordInfo> infoModels) {
String keyword = keyWordModel.getKeyword();
if (StringUtils.isEmpty(keyword)) {
return SUCCESS;
}
String url = "http://www.baidu.com/s?wd=" + regexEx.urlEncode(keyword) + "&pn=0&rn=30";
String content = getWebProxyContentByProxy(url, 5);
// for local debug
// try {
// content = HttpTools.get(new URI(url), new HttpTools.StringEntityHandler());
// } catch (Exception e) {
// e.printStackTrace();
// }
if (StringUtils.isEmpty(content)) {
return EMPTY_PAGE;
}
// 提取出 搜索关键字 列表页 单条列表
// 注意：
// 一、百度“文库”能匹配出来，但信息不完整，所以在结果中Host为空
// 二、百度“最新相关信息”不能匹配出来
// 三、百度“贴吧”不能匹配出来
String regList = "<div class=\"result\\S*?\\s*c\\-container\\s*.*?</span>";
List<String> list = regexEx.matchValues(content, regList);
if (list.size() <= 0) {
return EMPTY_FIELD;
}
// 提取出 搜索关键字 列表页 单条列表 所需要的取值，参考<BaiDuSpider.demo>
String regTop = " id=\"(\\d+)\" ";
List<String> regUrls = new ArrayList<String>();
regUrls.add("<span\\s*class\\s*=\\s*\"g\">(.*?)( )?\\S*?( )?</span>"); // 普通列表
regUrls.add("<span\\s*class\\s*=\\s*\"c\\-showurl\">(.*?) \\S*? </span>"); // 百度百科
regUrls.add("<span\\s*class\\s*=\\s*\"c\\-showurl\">(.*?) *?\\S*? *?</span>"); // 其他
regUrls.add("<span\\s*class\\s*=\\s*\"c\\-showurl\"> *?(\\S*?) *?</span>"); // 其他
// 百度知道、最新相关信息、百度下载、百度贴吧等匹配出来Host可能为空
// 真实跳转URL
// String regTrueurl = "<a.*?href\\s*?=\\s*?\".*?//(\\S+)\".*?>";
for (String fld : list) {
String topRet = regexEx.matchValue_1(fld, regTop);
if (StringUtils.isEmpty(topRet) || StringUtils.isEmpty(topRet.trim())) {
// 取不到排名信息
continue;
}
int top = Integer.parseInt(topRet);
String urlRet = null;
for (String regUrl : regUrls) {
// 空字符串也可能匹配，选取匹配的非空串
urlRet = regexEx.matchValue_NonEmpty(fld, regUrl);
if (!StringUtils.isEmpty(urlRet)) {
break;
}
}
KeywordInfo infoModel = new KeywordInfo();
infoModel.setId_keyword(keyWordModel.getId_keyword());
infoModel.setKeyword(keyWordModel.getKeyword());
infoModel.setMarkid(keyWordModel.getId_keyword_mark());
infoModel.setBusiness_line(keyWordModel.getBusiness_line());
infoModel.setCityid(keyWordModel.getCityid());
infoModel.setCate1(keyWordModel.getCate1());
infoModel.setCate2(keyWordModel.getCate2());
infoModel.setCate3(keyWordModel.getCate3());
infoModel.setCate4(keyWordModel.getCate4());
infoModel.setTop(top);
infoModel.setHost(getHost(regexEx.removeHtml(urlRet)));
infoModel.setMainhost(getMainHost(regexEx.removeHtml(urlRet)));
// infoModel.setTrue_url(regexEx.matchValue_1(fld, regTrueurl));
List<KeywordInfo> padding = this.getPadding(infoModel);
infoModels.addAll(padding);
// System.out.println(infoModel.getHost()+ " " + infoModel.getMainhost());
}
return SUCCESS;
}
