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絎? 绔?緗戠粶鐖櫕姒傝堪涓庡師鐞?............................................................................ 1
1.1 緗戠粶鐖櫕綆€浠?............................................................................................. 1
1.2 緗戠粶鐖櫕鍒嗙被 ............................................................................................. 2
1.3 緗戠粶鐖櫕嫻佺▼ ............................................................................................. 4
1.4 緗戠粶鐖櫕鐨勯噰闆嗙瓥鐣?................................................................................. 5
1.5 瀛︿範(fàn)緗戠粶鐖櫕鐨勫緩璁?................................................................................. 5
1.6 鏈珷灝忕粨 ..................................................................................................... 6
絎? 绔?緗戠粶鐖櫕娑夊強(qiáng)鐨凧ava 鍩虹鐭ヨ瘑 ........................................................... 7
2.1 寮€鍙戠幆澧冪殑鎼緩 ......................................................................................... 7
2.1.1 JDK 鐨勫畨瑁呭強(qiáng)鐜鍙橀噺閰嶇疆 .......................................................... 7
2.1.2 Eclipse 鐨勪笅杞?.................................................................................. 9
2.2 鍩烘湰鏁版嵁綾誨瀷 ........................................................................................... 10
2.3 鏁扮粍 ........................................................................................................... 11
2.4 鏉′歡鍒ゆ柇涓庡驚鐜?....................................................................................... 12
2.5 闆嗗悎 ........................................................................................................... 15
2.5.1 List 鍜孲et 闆嗗悎 .............................................................................. 15
2.5.2 Map 闆嗗悎 ........................................................................................ 16
2.5.3 Queue 闆嗗悎 ..................................................................................... 17
2.6 瀵硅薄涓庣被 ................................................................................................... 19
2.7 String 綾?..................................................................................................... 21
2.8 鏃ユ湡鍜屾椂闂村鐞?....................................................................................... 23
2.9 姝ｅ垯琛ㄨ揪寮?............................................................................................... 26
2.10 Maven 宸ョ▼鐨勫垱寤?................................................................................. 29
2.11 log4j 鐨勪嬌鐢?............................................................................................ 33
2.12 鏈珷灝忕粨 ................................................................................................. 40
絎? 绔?HTTP 鍗忚鍩虹涓庣綉緇滄姄鍖?............................................................... 41
3.1 HTTP 鍗忚綆€浠?........................................................................................ 41
3.2 URL ........................................................................................................... 42
3.3 鎶ユ枃 ........................................................................................................... 44
3.4 HTTP 璇鋒眰鏂規(guī)硶 ........................................................................................ 46
3.5 HTTP 鐘舵€佺爜 ............................................................................................ 46
3.5.1 鐘舵€佺爜2XX .................................................................................... 47
3.5.2 鐘舵€佺爜3XX .................................................................................... 47
3.5.3 鐘舵€佺爜4XX .................................................................................... 48
3.5.4 鐘舵€佺爜5XX .................................................................................... 48
3.6 HTTP 淇℃伅澶?............................................................................................ 48
3.6.1 閫氱敤澶?............................................................................................ 49
3.6.2 璇鋒眰澶?............................................................................................ 52
3.6.3 鍝嶅簲澶?............................................................................................ 55
3.6.4 瀹炰綋澶?............................................................................................ 56
3.7 HTTP 鍝嶅簲姝ｆ枃 ........................................................................................ 57
3.7.1 HTML ............................................................................................. 58
3.7.2 XML ............................................................................................... 60
3.7.3 JSON ............................................................................................... 61
3.8 緗戠粶鎶撳寘 ................................................................................................... 64
3.8.1 綆€浠?................................................................................................ 64
3.8.2 浣跨敤鎯呭 ........................................................................................ 65
3.8.3 嫻忚鍣ㄥ疄鐜扮綉緇滄姄鍖?..................................................................... 65
3.8.4 鍏朵粬緗戠粶鎶撳寘宸ュ叿鎺ㄨ崘 ................................................................. 70
3.9 鏈珷灝忕粨 ................................................................................................... 70
絎? 绔?緗戦〉鍐呭鑾峰彇 .................................................................................... 71
4.1 Jsoup 鐨勪嬌鐢?............................................................................................. 71
4.1.1 jar 鍖呯殑涓嬭澆 ................................................................................... 71
4.1.2 璇鋒眰URL ....................................................................................... 72
4.1.3 璁劇疆澶翠俊鎭?.................................................................................... 75
4.1.4 鎻愪氦璇鋒眰鍙傛暟 ................................................................................ 78
4.1.5 瓚呮椂璁劇疆 ........................................................................................ 80
4.1.6 浠ｇ悊鏈嶅姟鍣ㄧ殑浣跨敤 ......................................................................... 81
4.1.7 鍝嶅簲杞緭鍑烘祦錛堝浘鐗囥€丳DF 絳夌殑涓嬭澆錛?.................................... 83
4.1.8 HTTPS 璇鋒眰璁よ瘉 ........................................................................... 85
4.1.9 澶ф枃浠跺唴瀹硅幏鍙栭棶棰?..................................................................... 89
4.2 HttpClient 鐨勪嬌鐢?...................................................................................... 91
4.2.1 jar 鍖呯殑涓嬭澆 ................................................................................... 91
4.2.2 璇鋒眰URL ....................................................................................... 92
4.2.3 EntityUtils 綾?.................................................................................. 97
4.2.4 璁劇疆澶翠俊鎭?.................................................................................... 98
4.2.5 POST 鎻愪氦琛ㄥ崟 ............................................................................ 100
4.2.6 瓚呮椂璁劇疆 ...................................................................................... 103
4.2.7 浠ｇ悊鏈嶅姟鍣ㄧ殑浣跨敤 ....................................................................... 105
4.2.8 鏂囦歡涓嬭澆 ...................................................................................... 106
4.2.9 HTTPS 璇鋒眰璁よ瘉 ......................................................................... 108
4.2.10 璇鋒眰閲嶈瘯 .................................................

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