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修复部分网站重定向出现异常。新增基于反射的解析方法调用 #774

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修复部分网站重定向出现异常。新增基于反射的解析方法调用 #774

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f013a4b
修复部分网站重定向出现异常。新增基于反射的解析方法调用
406965097 Apr 18, 2018
80b93fb
修复部分网站重定向出现异常。新增基于反射的解析方法调用
406965097 Apr 18, 2018
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11 changes: 11 additions & 0 deletions webmagic-core/src/main/java/us/codecraft/webmagic/Request.java
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Original file line number Diff line number Diff line change
Expand Up @@ -17,6 +17,8 @@
public class Request implements Serializable {

private static final long serialVersionUID = 2062192774891352043L;
//利用反射控制解析方法调用
private String callback = "process";

public static final String CYCLE_TRIED_TIMES = "_cycle_tried_times";

Expand Down Expand Up @@ -188,6 +190,14 @@ public Request setCharset(String charset) {
return this;
}

public String getCallback() {
return callback;
}

public void setCallback(String callback) {
this.callback = callback;
}

@Override
public String toString() {
return "Request{" +
Expand All @@ -197,6 +207,7 @@ public String toString() {
", priority=" + priority +
", headers=" + headers +
", cookies="+ cookies+
", callback=" + callback+
'}';
}

Expand Down
10 changes: 9 additions & 1 deletion webmagic-core/src/main/java/us/codecraft/webmagic/Spider.java
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Original file line number Diff line number Diff line change
Expand Up @@ -411,7 +411,15 @@ private void processRequest(Request request) {

private void onDownloadSuccess(Request request, Page page) {
if (site.getAcceptStatCode().contains(page.getStatusCode())){
pageProcessor.process(page);

try {
//Object result = pageProcessor.getClass().getMethod(request.getCallback(), page.getClass()).invoke(pageProcessor, page);
pageProcessor.getClass().getMethod(request.getCallback(), page.getClass()).invoke(pageProcessor, page);
} catch (Throwable e) {
logger.error("page process error", e);
return;
}
// pageProcessor.process(page);
extractAndAddRequests(page, spawnUrl);
if (!page.getResultItems().isSkip()) {
for (Pipeline pipeline : pipelines) {
Expand Down
4 changes: 3 additions & 1 deletion webmagic-core/src/main/java/us/codecraft/webmagic/downloader/HttpUriRequestConverter.java
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Original file line number Diff line number Diff line change
Expand Up @@ -70,7 +70,9 @@ private HttpUriRequest convertHttpUriRequest(Request request, Site site, Proxy p
requestConfigBuilder.setConnectionRequestTimeout(site.getTimeOut())
.setSocketTimeout(site.getTimeOut())
.setConnectTimeout(site.getTimeOut())
.setCookieSpec(CookieSpecs.STANDARD);
.setCookieSpec(CookieSpecs.STANDARD)
// 解决某种类型网站重定向出现错误，测试url ： CircularRedirectsAllowed http://detail.tmall.com/item.htm?id=39569173073&
.setCircularRedirectsAllowed(true);
}

if (proxy != null) {
Expand Down