Example of a string to an array-replying to the "red" issue is of little reference to other friends

Problem Source: http://www.cnblogs.com/del/archive/2008/11/04/1209070.html#1360634
Code File:

Unit unit1; interfaceuses windows, messages, sysutils, variants, classes, graphics, controls, forms, dialogs, stdctrls; Type tform1 = Class (tform) memo1: tmemo; button1: tbutton; procedure formcreate (Sender: tobject); Procedure button1click (Sender: tobject); end; var form1: tform1; implementation {$ R *. DFM} const STR = '30, 80: 30: bd6b09: 10: 1850: Suzhou: 88 & 50,140: 120: 976d00: 8: 150: Suzhou: 88 & '+' 130, 80: 150: c50023: 5: 850: Suzhou: 88 & 100,140: 280: cae5e8: 15: 450: Suzhou: 88 & '+ '180,190: 190: 780062: 7: 3850: Suzhou: 88 & 130,180: 30: bd6b09: 10: 1850: Wuxi: 88 & '+ '150, 40: 120: 976d00: 8: 150: Wuxi: 88 & 90,180: 150: c50023: 5: 850: Wuxi: 88 & '+ '10, 80: 280: cae5e8: 15: 450: Wuxi: 88 & 150,120: 190: 780062: 7: 3850: Wuxi: 88 '; Type tmyrec = record longpolling: single; {longitude} latitude: single; {latitude} angle: single; {angle} color: tcolor; {color} size: Cardinal; {size} value: Cardinal; {value} Name: string; {name} number: integer; {number} end; tmyarr = array of tmyrec; {conversion process} procedure mystr2arr (const STR: string; var arr: tmyarr); var list1, list2, list3: tstringlist; I: integer; begin setlength (ARR, 0); list1: = tstringlist. create; list2: = tstringlist. create; list3: = tstringlist. create; list1.delimiter: = '&'; list1.delimitedtext: = STR; list2.delimiter: = ':'; for I: = 0 to list1.count-1 do begin list2.delimitedtext: = list1 [I]; if list2.count 7 then exit; {the original data is invalid} list3.commatext: = list2 [0]; setlength (ARR, length (ARR) + 1); with arr [high (ARR)] do begin longpolling: = strtofloatdef (list3 [0], 0); latitude: = strtofloatdef (list3 [1], 0); angle: = strtofloatdef (list2 [1], 0); color: = tcolor (strtointdef (list2 [2], 0); Size: = strtointdef (list2 [3], 0); value: = strtointdef (list2 [4], 0); Name: = list2 [5]; number: = strtointdef (list2 [6], 0); end; list1.free; list2.free; list3.free; end; {test} procedure tform1.button1click (Sender: tobject); var mydataarr: tmyarr; I: integer; begin mystr2arr (STR, mydataarr); for I: = 0 to length (mydataarr)-1 do with mydataarr [I] Do memo1.lines. add (format ('% F, % F: % F, % d, % s, % d', [longpolling, latitude, angle, color, size, value, name, number]); memo1.lines. add (''); end; Procedure tform1.formcreate (Sender: tobject); begin memo1.clear; memo1.align: = altop; memo1.scrollbars: = ssboth; end.
 
   
 

Form file:

 
Object form1: tform1 left = 0 Top = 0 caption = 'form1' clientheight = 227 clientwidth = 304 color = clbtnface font. charset = default_charset font. color = clwindowtext font. height =-11 font. name = 'tahoma 'font. style = [] oldcreateorder = false oncreate = formcreate pixelsperinch = 96 textheight = 13 object button1: tbutton left = 120 top = 191 width = 75 Height = 25 caption = 'button1' taborder = 0 onclick = button1click end object memo1: tmemo left = 24 Top = 0 width = 185 Height = 185 lines. strings = ('memo1') taborder = 1 endend