⑴ VB涓鐨刬nt鎸囩殑鏄浠涔
VB涓璱nt鎸囩殑鏄鍐呯疆鐨勫嚱鏁板皢鏈夊皬鏁扮殑鏁 鐩存帴鍘绘帀灏忔暟鐒跺悗鍙嶅洖鍏舵暣 鏁板傛灉鎸囩殑鏄鏁版嵁绫诲瀷 鍒欐槸鎸噄nteger 鏄鏁村瀷 锛屼笉甯﹀皬鏁帮紝鍙栧叾浠-32768鍒32767 濡俛=int(5.5555) 鍒橝=5
⑵ 鍏充簬VB鏁版嵁绫诲瀷
涓銆佹暟鎹绫诲瀷姒傝堪
鏁版嵁:璁＄畻鏈鸿兘澶熷勭悊鏁板笺佹枃瀛椼佸０闊炽佸浘褰銆佸浘鍍忕瓑淇℃伅锛屽潎绉颁负鏁版嵁銆
鏁版嵁绫诲瀷:鏍规嵁鏁版嵁鎻忚堪淇℃伅鐨勫惈涔夛紝灏嗘暟鎹鍒嗕负涓嶅悓鐨勭嶇被锛屽规暟鎹绉嶇被鐨勫尯鍒嗚勫畾锛岀О涓烘暟鎹绫诲瀷銆傛暟鎹绫诲瀷鐨勪笉鍚岋紝鍒欏湪鍐呭瓨涓鐨勫瓨鍌ㄧ粨鏋勪篃涓嶅悓锛屽崰鐢ㄧ┖闂翠篃涓嶅悓
VB鐨勫熀鏈鏁版嵁绫诲瀷锛
鏁板煎瀷鏁版嵁 锛堜富瑕佹暟鎹绫诲瀷锛 鏃ユ湡鍨 瀛楄妭鍨
璐у竵鍨 閫昏緫鍨 瀛楃︿覆鍨 瀵硅薄鍨 鍙樹綋鍨
浜屻 鏁板兼暟鎹绫诲瀷
鏁板肩被鍨嬪垎涓烘暣鏁板瀷鍜屽疄鏁板瀷涓ゅぇ绫汇
1銆佹暣鏁板瀷
鏁存暟鍨嬫槸鎸囦笉甯﹀皬鏁扮偣鍜屾寚鏁扮﹀彿鐨勬暟銆
鎸夎〃绀鸿寖鍥存暣鏁板瀷鍒嗕负锛氭暣鍨嬨侀暱鏁村瀷
锛1锛夋暣鍨嬶紙Integer锛岀被鍨嬬%锛
鏁村瀷鏁板湪鍐呭瓨涓鍗犱袱涓瀛楄妭锛16浣嶏級
鍗佽繘鍒舵暣鍨嬫暟鐨勫彇鍊艰寖鍥达細-32768 ~ +32767
渚嬪傦細15锛-345锛654%閮芥槸鏁存暟鍨嬨傝45678%鍒欎細鍙戠敓婧㈠嚭閿欒銆
锛2锛夐暱鏁村瀷锛圠ong锛岀被鍨嬬&锛
闀挎暣鏁板瀷鍦ㄥ唴瀛樹腑鍗4涓瀛楄妭锛32浣嶏級銆
鍗佽繘鍒堕暱鏁村瀷鏁扮殑鍙栧艰寖鍥达細
-2147483648 ~ +2147483647
渚嬪傦細123456锛45678&閮芥槸闀挎暣鏁板瀷銆
2銆佸疄鏁板瀷锛堟诞鐐规暟鎴栧疄鍨嬫暟锛
瀹炴暟鍨嬫暟鎹鏄鎸囧甫鏈夊皬鏁伴儴鍒嗙殑鏁般
娉ㄦ剰锛氭暟12鍜屾暟12.0瀵硅＄畻鏈烘潵璇存槸涓嶅悓鐨勶紝鍓嶈呮槸鏁存暟锛堝崰2涓瀛楄妭锛夛紝鍚庤呮槸娴鐐规暟锛堝崰4涓瀛楄妭锛
瀹炴暟鍨嬫暟鎹鍒嗕负娴鐐规暟鍜屽畾鐐规暟銆
娴鐐规暟鐢变笁閮ㄥ垎缁勬垚锛氱﹀彿锛屾寚鏁板拰灏炬暟銆
鍦╒B涓娴鐐规暟鍒嗕负涓ょ嶏細
鍗曠簿搴︽诞鐐规暟锛 Single 锛
鍙岀簿搴︽诞鐐规暟锛 Double 锛
锛1锛夊崟绮惧害鏁(Single锛岀被鍨嬬︼紒)
鍦ㄥ唴瀛樹腑鍗4涓瀛楄妭锛32浣嶏級锛,鏈夋晥鏁板瓧锛7浣嶅崄杩涘埗鏁
鍙栧艰寖鍥达細璐熸暟 -3.402823E+38 ~ -1.401298E-45
姝ｆ暟 1.401298E-45 ~ 3.402823E+38
鍦ㄨ＄畻鏈虹▼搴忛噷闈涓嶈兘鏈変笂鏍囦笅鏍囩殑鍐欐硶锛屾墍浠ヤ箻骞傞噰鐢ㄧ殑鏄涓绉嶇О涓虹戝﹁℃暟娉曠殑琛ㄨ揪鏂规硶
杩欓噷鐢‥鎴栬卐琛ㄧず10鐨勬℃柟(E/e澶у皬鍐欓兘鍙浠ワ級
姣斿傦細1.401298E-45琛ㄧず1.401298鐨10鐨勮礋45娆℃柟
vb閲岄潰鍙浠ヨ繖鏍疯〃绀猴細8.96E-5
渚嬶細21e5锛堟ｅ彿鐪佺暐锛夎〃绀猴細
21涔樹互10鐨5娆℃柟鐨勪竴涓鍗曠簿搴︽暟
锛2锛 鍙岀簿搴︽暟锛圖ouble,绫诲瀷绗︼純锛
Double绫诲瀷鏁版嵁鍦ㄥ唴瀛樹腑鍗犵敤8涓瀛楄妭锛64浣嶏級
Double鍨嬪彲浠ョ簿纭鍒15鎴16浣嶅崄杩涘埗鏁帮紝鍗15鎴16浣嶆湁鏁堟暟瀛椼
鍙栧艰寖鍥达細
璐熸暟锛 鈥1.797693134862316D+308 ~ -4.94065D-324
姝ｆ暟锛 4.94065D-324 ~ 1.797693134862316D+308
姣斿17.88D5锛岃〃绀哄畠鏄涓涓鍙岀簿搴︽暟锛岃〃绀17.88涔樹互10鐨5娆℃柟
杩欓噷鐢―鏉ヨ〃绀10鐨勬℃柟
浜屻 璐у竵鍨(Currency锛岀被鍨嬬@)
涓昏佺敤鏉ヨ〃绀鸿揣甯佸,鍦ㄥ唴瀛樹腑鍗8涓瀛楄妭锛64浣嶏級锛
鏁存暟閮ㄥ垎涓15浣,鍙浠ョ簿纭鍒板皬鏁扮偣鍚4浣嶏紝绗浜斾綅鍥涜垗浜斿叆锛涘睘浜庡畾鐐瑰疄鏁
璐у竵鍨嬫暟鎹鐨勫彇鍊艰寖鍥达細
-922337203685447. 5808 ~ 922337203685447. 5807
璺熸诞鐐规暟鐨勫尯鍒锛氬皬鏁扮偣鍚庣殑浣嶆暟鏄鍥哄畾鐨勶紝4浣
渚嬪傦細3.56@ 銆 65.123456@閮芥槸璐у竵鍨嬨
涓夈 瀛楄妭鍨嬶紙Byte,鏃犵被鍨嬬︼級
涓鑸鐢ㄤ簬瀛樺偍浜岃繘鍒舵暟銆
瀛楄妭鍨嬫暟鎹鍦ㄥ唴瀛樹腑鍗1涓瀛楄妭锛8浣嶏級銆
瀛楄妭鍨嬫暟鎹鐨勫彇鍊艰寖鍥达細0 ~ 255
鍥涖 鏃ユ湡鍨嬶紙Date锛
鍦ㄥ唴瀛樹腑鍗犵敤8涓瀛楄妭锛屼互娴鐐规暟褰㈠紡瀛樺偍銆
鏃ユ湡鍨嬫暟鎹鐨勬棩鏈熻〃绀鸿寖鍥翠负锛
100骞1鏈1鏃~9999骞12鏈31鏃
鏃ユ湡鍨嬫暟鎹鐨勬椂闂磋〃绀鸿寖鍥翠负锛
00:00:00 ~ 23:59:59
鐢#鎷璧锋潵鏀剧疆鏃ユ湡鍜屾椂闂达紝鍏佽哥敤鍚勭嶈〃绀烘棩鏈熷拰鏃堕棿鐨勬牸寮忋
鏃ユ湡鍙浠ョ敤鈥/鈥濄佲滐紝鈥濄佲-鈥濆垎闅斿紑锛屽彲浠ユ槸骞淬佹湀銆佹棩锛屼篃鍙浠ユ槸鏈堛佹棩銆佸勾鐨勯『搴忋傛椂闂村繀椤荤敤鈥滐細鈥濆垎闅旓紝椤哄簭鏄锛氭椂銆佸垎銆佺掋
渚嬶細
#09/10/2000# 鎴 #2000-09-12#
#08:30:00 AM#
#09/10/2000 08:30:00 AM#
渚嬶細
Dim mylab As Date
mylab = #9/3/2001 11:35:00 AM#
Time = mylab
鍦╒B涓浼氳嚜鍔ㄨ浆鎹㈡垚mm/dd/yy锛堟湀/鏃/骞达級鐨勫舰寮忋
浜斻 閫昏緫鍨嬶紙Boolean锛
閫昏緫鍨嬫暟鎹鍦ㄥ唴瀛樹腑鍗2涓瀛楄妭銆
閫昏緫鍨嬫暟鎹鍙鏈変袱涓鍙鑳界殑鍊硷細
True锛堢湡锛 False锛堝亣锛
鑻ュ皢閫昏緫鍨嬫暟鎹杞鎹㈡垚鏁板煎瀷锛屽垯:
True锛堢湡锛変负 鈥1 False锛堝亣锛変负 0
褰撴暟鍊煎瀷鏁版嵁杞鎹涓築oolean鍨嬫暟鎹鏃讹細
闈0鐨勬暟鎹杞鎹涓簍rue,0涓篺asle銆
鍏銆佸瓧绗︿覆( String 锛岀被鍨嬬$)
瀛楃︿覆鏄涓涓瀛楃﹀簭鍒楋紝蹇呴』鐢ㄥ弻寮曞彿鎷璧锋潵
璇存槑锛
鍙屽紩鍙蜂负鍒嗙晫绗︼紝杈撳叆鍜岃緭鍑烘椂骞朵笉鏄剧ず銆
瀛楃︿覆涓鍖呭惈瀛楃︾殑涓鏁扮О涓哄瓧绗︿覆闀垮害銆
闀垮害涓洪浂鐨勫瓧绗︿覆绉颁负绌哄瓧绗︿覆锛屾瘮濡傗溾濓紝寮曞彿閲岄潰娌℃湁浠讳綍鍐呭
瀛楃︿覆涓鍖呭惈鐨勫瓧绗﹀尯鍒嗗ぇ灏忓啓銆
瀛楃︿覆鍙鍒嗕负鍙橀暱瀛楃︿覆鍜屽畾闀垮瓧绗︿覆涓ょ嶃
锛1锛.鍙橀暱瀛楃︿覆(闀垮害涓哄瓧绗︿覆闀垮害)
渚嬶細dim a as string
a="123" a="456789鈥
锛2锛.瀹氶暱瀛楃︿覆锛堥暱搴︿负瑙勫畾闀垮害锛
瀵逛簬瀹氶暱瀛楃︿覆锛屽綋瀛楃﹂暱搴︿綆浜庤勫畾闀垮害锛屽嵆鐢ㄧ┖鏍煎～婊★紝褰撳瓧绗﹂暱搴﹀氫簬瑙勫畾闀垮害锛屽垯鎴鍘诲氫綑鐨勫瓧绗︺
渚嬶細dim a as string * 10
涓冦佸硅薄鏁版嵁绫诲瀷(Object )
瀵硅薄鍨嬫暟鎹鍦ㄥ唴瀛樹腑鍗犵敤4涓瀛楄妭銆傜敤浠ュ紩鐢ㄥ簲鐢ㄧ▼搴忎腑鐨勫硅薄銆
鍏銆佸彉浣撴暟鎹绫诲瀷(Variant )
鍙樹綋鏁版嵁绫诲瀷鏄涓绉嶇壒娈婃暟鎹绫诲瀷锛屽叿鏈夊緢澶х殑鐏垫椿鎬э紝鍙浠ヨ〃绀哄氱嶆暟鎹绫诲瀷锛屽叾鏈缁堢殑绫诲瀷鐢辫祴浜堝畠鐨勫兼潵纭瀹氥
涔濄佺敤鎴疯嚜瀹氫箟绫诲瀷
濡傛灉鎴戞兂鍚屾椂璁板綍涓涓瀛︾敓鐨勫﹀彿銆佸撳悕銆佹у埆銆佹诲垎锛岄偅涔堟垜鍙浠ョ敤鑷瀹氫箟绫诲瀷銆
鐢ㄦ埛鑷瀹氫箟绫诲瀷鐗圭偣锛氳繖绉嶇被鍨嬬殑鏁版嵁鐢辫嫢骞蹭釜涓嶅悓绫诲瀷鐨勫熀鏈鏁版嵁缁勬垚銆
鑷瀹氫箟绫诲瀷鐢盩ype璇鍙ユ潵瀹炵幇锛
鏍煎紡锛歍ype 鑷瀹氫箟绫诲瀷鍚
鍏冪礌鍚1 As 绫诲瀷鍚
鍏冪礌鍚2 As 绫诲瀷鍚
鈥︹
鍏冪礌鍚峮 As 绫诲瀷鍚
End Type
Type鏄璇鍙ュ畾涔夌︼紝鍛婅瘔VB鐜板湪瑕佸畾涔変竴涓鏁版嵁绫诲瀷锛屾槸vb鐨勫叧閿瀛楋紱鍏跺悗鐨勮嚜瀹氫箟绫诲瀷鍚嶆槸瑕佸畾涔夌殑璇ユ暟鎹绫诲瀷鐨勫悕绉帮紝鐢辩敤鎴风‘瀹氾紱end type琛ㄧず绫诲瀷瀹氫箟缁撴潫锛涜嚜瀹氫箟绫诲瀷鍚嶆槸缁勬垚璇ユ暟鎹绫诲瀷鐨勫彉閲忕殑鍚嶇О
渚嬶細
Type Student
Num As Long 鈥樺﹀彿
Name As String*10 鈥樺撳悕锛岀敤闀垮害涓10鐨勫畾闀垮瓧绗︿覆鏉ュ瓨鍌
Sex As String*5 鈥樻у埆锛岀敤闀垮害涓5鐨勫畾闀垮瓧绗︿覆鏉ュ瓨鍌
Score As Single 鈥樺緱鍒嗭紝鐢ㄥ崟绮惧害鏁版潵瀛樺偍
End Type
涓鑸鍦ㄦ爣鍑嗘ā鍧楅噷闈㈠畾涔夛紝濡傛灉鍙鎯冲湪绐椾綋閲岄潰瀹氫箟锛屽垯鍓嶉潰蹇呴』鍔犱笂Private锛岃〃绀鸿ョ被鍨嬪彧瀵规湰绐椾綋鏈夋晥锛屽叾浠栫獥浣撴棤娉曞畾涔夎ョ被鍨嬬殑鍙橀噺銆
瀹氫箟浜哠tudent绫诲瀷涔嬪悗锛屾垜浠灏卞彲浠ュ畾涔塖tudent绫诲瀷鐨勫彉閲忎簡锛屾瘮濡傦細 Dim Stu As Student