這里寫自定義目錄標(biāo)題

• pom.xml
• download

pom.xml

<?xml version="1.0" encoding="UTF-8"?> <project xmlns="http://maven.apache.org/POM/4.0.0"xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"><modelVersion>4.0.0</modelVersion><groupId>com.go</groupId><artifactId>tool-com</artifactId><version>1.0-SNAPSHOT</version><dependencies><dependency><groupId>log4j</groupId><artifactId>log4j</artifactId><version>1.2.17</version></dependency><dependency><groupId>org.slf4j</groupId><artifactId>slf4j-api</artifactId><version>1.7.25</version></dependency><!-- https://mvnrepository.com/artifact/org.slf4j/slf4j-log4j12 --><dependency><groupId>org.slf4j</groupId><artifactId>slf4j-log4j12</artifactId><version>1.7.25</version><!-- <scope>test</scope> --></dependency><!-- https://mvnrepository.com/artifact/commons-codec/commons-codec --><dependency><groupId>commons-codec</groupId><artifactId>commons-codec</artifactId><version>1.13</version></dependency><!-- https://mvnrepository.com/artifact/commons-lang/commons-lang --><dependency><groupId>commons-lang</groupId><artifactId>commons-lang</artifactId><version>2.0</version></dependency><!-- https://mvnrepository.com/artifact/org.apache.httpcomponents/httpclient --><dependency><groupId>org.apache.httpcomponents</groupId><artifactId>httpclient</artifactId><version>4.5.3</version></dependency></dependencies></project>

download

package cn.go;import org.apache.http.Header; import org.apache.http.HttpEntity; import org.apache.http.HttpResponse; import org.apache.http.client.methods.CloseableHttpResponse; import org.apache.http.client.methods.HttpGet; import org.apache.http.impl.client.DefaultHttpClient; import org.apache.http.util.EntityUtils;import java.io.ByteArrayOutputStream; import java.io.IOException; import java.io.InputStream;public class HttpClientTest {public static void main(String[] args) {try {download("6010102080720200036802");} catch (IOException e) {e.printStackTrace();}/* try {File file = new File("d:/policyNo_list.txt");BufferedReader reader = new BufferedReader(new FileReader(file));String policyNo;while ((policyNo = reader.readLine()) != null) {System.out.println(policyNo);download(policyNo);}} catch (IOException e) {e.printStackTrace();}*/}private static void download(String str) throws IOException {String urlPrefix = "http://xxx";String url = urlPrefix + "/xxx?policyNo=" + str;String result= null;String defaultCharset = "utf-8";DefaultHttpClient httpclient = new DefaultHttpClient();HttpGet httpGet = new HttpGet(url);HttpResponse response = httpclient.execute(httpGet);if (response != null) {HttpEntity resEntity = response.getEntity();if (resEntity != null) {result = EntityUtils.toString(resEntity, defaultCharset);}}System.out.println(result);// http://ip:port//planCode = code + "car_"+ planCode + ".ftl";String fileUrl = urlPrefix + "/xxxx"+result;System.out.println(fileUrl);HttpGet httpGetFile = new HttpGet(fileUrl);HttpResponse fileResponse = httpclient.execute(httpGetFile);if (fileResponse != null) {HttpEntity resEntity = fileResponse.getEntity();Header contentType = fileResponse.getEntity().getContentType();System.out.println(contentType);if (resEntity != null) {result = EntityUtils.toString(resEntity, defaultCharset);System.out.println(result);if(!"xxxx".equals(result)){System.exit(1);}return;}}InputStream inputStream = fileResponse.getEntity().getContent();ByteArrayOutputStream byteArray = new ByteArrayOutputStream();byte[] buff = new byte[1024*1024]; //如果是稍微大的文件，這里配置的大一些int len = 0;while((len = inputStream.read(buff)) > 0) {//把從服務(wù)端讀取的文件流保存到ByteArrayOutputSteam中byteArray.write(buff, 0, len);byteArray.flush();}inputStream.close();((CloseableHttpResponse) fileResponse).close();} }

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