To XML for beginners

To XML for beginners

Type: XML / Biztalk


宸笉澶氭瘡澶╅兘鏈変汉闂?浠?箞鏄?XML鈥濓紝鈥淴ML 鑳藉仛浠?箞鈥濓紝鈥淴ML 鑳戒笉鑳芥浛鎴戝仛杩欎釜鈥濓紝鈥淴ML 浼氬彇浠ｄ粈涔堚? 绛夌瓑璇稿姝ょ被鐨勯棶棰樸?鐢变簬鏈?繎涓?鏃堕棿绋嶅井瀵?xml 浣跨敤浜嗕竴涓嬶紝鎴戞潵璋堣皥鑷繁鐨勬劅瑙夈?杩欎簺缁忛獙閮藉緢娴呮樉锛屼换浣曚竴涓敤杩?xml 鐨勪汉閮芥湁锛屽苟涓旇浠佽鏅猴紝鍙笉杩囨垜绠楀垰鍒氳蛋杩囪繖娈佃矾锛屽鑷繁涓?紑濮嬬殑鍥版儜锛岃瑙ｈ繕璁板緱娓咃紝鎵?互鎷垮嚭鏉ュ拰澶у鍒嗕韩涓?笅銆?br />
I think the beginner's errors may be approached:

1. XML 鏄笉鏄?HTML 鐨勫彇浠ｈ?

涓嶆槸銆傚啓寰楀ソ鐨?html 搴旇鏄竴涓?well-formed 鐨?xml 鏂囨。锛屽叾浠栨柟闈㈡渶濂戒笉瑕佹妸浠栦滑鏀惧湪涓?釜姘村钩绾夸笂姣旇緝

2. XML is not a replacement for the database

涓嶆槸銆?br />
3. XML is not a replacement of ...

Not.

This conclusion may sound funny: XML is a very, very important thing, but it can not replace anything.浣嗚繖骞朵笉濂囨?锛屾湁浜烘妸瀹冩瘮鍋?ASCII 鏍囧噯锛屼粬浠槸涓?垏涓?垏鐨勫熀纭?紝浣嗗苟娌℃湁锛堜篃涓嶉渶瑕侊級鍙栦唬浠?箞銆?锛堜絾鏄氨濡傚悓 ASCII 鍙栦唬浜嗕竴浜涙病鏈夋垚澶у櫒鐨勫瓧绗﹂泦瀹氫箟锛孹ML 涔熶細鍙栦唬浣犲湪搴旂敤涓嚜宸卞畾涔夌殑涓?簺鏁版嵁浼犺緭瑙勮寖锛屼絾娌℃湁浠?箞鐗瑰埆涓绘祦鐨勪笢瑗裤?锛?br />
Just started learning XML (or do not start school before) when the favorite to ask a question must be: using XML give me any good?

鎴戣寰椾粠鏌愮瑙掑害涓婅锛屼娇鐢?XML 鏈変簺璞′娇鐢?OO 闈㈠悜瀵硅薄锛?br />
- You can use it, you can not have it.
- If your application is very simple, it is not necessarily easy to use, maybe even worse with the results.
- 鍜屽叾浠栧疄闄呬笢瑗挎瘮濡傛暟鎹簱锛孧TS锛學eb Server姣旇捣鏉ワ紝瀹冩洿鍍忔槸涓?釜姒傚康锛屼竴绉嶆柟娉?br />- The larger the project, its room to maneuver larger role in the greater.
- Once upon a real understanding, even if no xml parser, does not prevent you from using this concept, as you can set aside a specific language to use OO.
- ......

Seem more abstract and Mo Puer instead.
閭ｅ氨闅忎究涓句釜渚嬪瓙銆傛瘮濡備綘鏈潵鎯冲湪 bbs 搴旂敤涓殑涓や釜妯″潡涔嬮棿浼犱竴浜涙暟鎹細

- 鍙戣█浜?br />- Password
- Title
- Content

浣跨敤鍥涗釜鍙傛暟鏄笉澶幇瀹炵殑锛屽洜涓轰綘闅忔椂鍙兘瑕佹墿灞曞姛鑳斤紝姣斿鍐嶅姞涓婁釜
- Emoticons
Etc.

Not always add a function, again on the re-definition of the function. So the simplest way is to combine them as a parameter to the function.鍦ㄦ湁 xml 涔嬪墠锛屼綘鍙兘浼氫娇鐢ㄥ垎闅旂锛歴tr = "鍙戣█浜?寮犱笁;瀵嗙爜=**锛涙爣棰?abc锛涘唴瀹?xyz"
鍒?server 閭ｈ竟浣跨敤 dictionary 鎴?collection 鎴?split 绛夌瓑鏂规硶鎶婁粬浠媶寮??锛堝綋鐒跺彲浠ヨ嚜宸卞畾涔夊璞″暒锛岀粨鏋勫暒绛夌瓑锛屼絾澶氭暟鎯呭喌涓嬭繕寰楁槸绾瓧绗︿覆--姣斿鍙︿竴涓ā鍧椾笉鏄嚜宸卞紑鍙戠殑銆傦級

This method of passing the string there are several issues, summarized the two largest areas are:

1. To properly analyze it too much trouble. (Eg, just the title is "The spokesman = Joe Smith;" how to do)
2. Is flat, not hierarchical structure

浣犲彲浠ュ啓浜涘嚱鏁版潵瑙ｅ喅杩欎簺闂锛屾瘮濡傜‘淇濋噷闈㈣偗瀹氭湁鈥滃彂瑷?汉鈥濓紝鈥滃瘑鐮佲?绛夌瓑锛涘啀鍐欎簺鍑芥暟鍋氫竴涓嬪瓧绗﹁浆涔夛紝鍐嶅啓浜涘嚱鏁板埗閫犲嚭灞傛鎬х殑鏁堟灉...

Enough! Zan is it with XML. In my current knowledge in simple and obvious:

- XML is used to transfer data
- XML data with these structures - a tree structure
- Xml with a full set of operation method of this structure
- xml 瑙勮寖锛堟垨鑰呰鐨勫疄闄呯偣锛寈ml parser锛夊府浣犵‘瀹氫綘鍒涘缓鐨勫瓧绗︿覆鏄悎娉曠殑
- Xml specification (or the actual point, xml parser) in a way to verify the legitimacy of
- For the server component to get this string is, you can use xml in the ready-made way to operate it,
杩欏氨鏄?xpath, pattern锛岀被浼间簬 T-SQL 璇彞銆?(But keep in mind is the tree structure of xml)
- XSLT convert xml using xpath on (similar to DTS), which is a special case of the XML into HTML output.






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