awordseparator: string //单据分隔符;
): string; //返回结果。
//如 ' dbarcode asc, dname desc', 'dbarcode', '', ',', ' '的返回值为
//' dname desc';
class function deleterepeat(aoldstring: string; //要处理字符
adeletestring: char; //要删除的字符
arepeat: char): string; //重复字符
class function ifthen(aexpression: boolean; atrue: string; afalse: string): string;
//根据表达式的值，返回相应的字符串。
class function absolutetorelate(aabsolute: string; acurrent: string): string;
//给定两个文件，将绝对路径转换成相对路径。
class function relatetoabsolute(arelate: string; acurrent: string): string;
class function similarposition(aone, atwo: string): integer;
class function getcharnum(astring: string; achar: char): integer;
class function indexof(astring, asubstring: string): integer;
class function zerotoint(astring: string): integer;
class function zerotofloat(astring: string): double;
class function zerotostr(astring: string): string;
class function sametext(astring, astring1: string): boolean;
class function reverse(astring: string): string;
class function isvalidip(const s: string): boolean;
class function fillstring(achar: char; alength: integer): string;
class function stuffstring(const atext: string; astart, alength: cardinal;
const asubtext: string): string;
class function getnextstring(var sourcestring: string; asplitchar: string): string;
end;
//整型类。
tinteger = class
class function inttostr(ainteger: integer): string; overload;
class function inttostr(ainteger: int64): string; overload;
class function isvalidint(astring: string): boolean;
class function isvalidint64(astring: string): boolean;
class function maxint: integer;
class function maxlongint: integer;
class function hashcode(ainteger: integer): integer;
class function inttobin(ainteger: cardinal): string;
class function inttohex(ainteger: integer): string;
class function hextoint(astring: string): integer;
class function makeserialno(ainteger: integer; adigit: integer): string;
end;
tfloat = class
class function isvalidfloat(astring: string): boolean;
class function maxdouble: double;
class function mindouble: double;
class function maxextended: extended;
class function minextended: extended;
class function samevalue(const a, b: single; epsilon: single = 0): boolean; overload;
class function samevalue(const a, b: double; epsilon: double = 0): boolean; overload;
class function samevalue(const a, b: extended; epsilon: extended = 0): boolean; overload;
class function floattomoney(const value: double; round: boolean = true): string;
end;
tboolean = class
class function booltostr(aboolean: boolean): string;
class function strtobool(astring: string): boolean; //如果不为'true'则为false;
end;
implementation
{ tstring }
