PDMS中文教程--PML基礎练习.doc

一个简单的 Macro NEW EQUIP /FRED NEW BOX XLEN 300 YLEN 400 ZLEN 600 NEW CYL DIA 400 HEI 600 CONN P1 TO P2 OF PREV 参数化宏Parameterized Macro NEW EQUIP /$1 NEW BOX XLEN $2 YLEN $3 ZLEN $4 NEW CYL DIA $3 HEI $4 CONN P1 TO P2 OF PREV 变量给属性赋值 New Pipe Desc My Description Temp 100 Pspec /A3B Purp PIPI !desc = desc !temp = temp !pspec = pspec !purp = purp New Pipe Desc $!desc Temp $!temp !pspec $!pspec !purp $!purp 字符串方法实例 !line = hello how are you !newline = !line.after(hello).trim().upcase() q var !newline !newline = !newline.replace(how, where).replace(you, you?) 定义函数 define function !!Area( !Length is REAL, !Width is REAL ) is REAL !Area = !Length * !Width return !Area $*函数!!Area有两个参数一个返回值 Endfunction 练习-新建函数计算园的面积,测试函数 define function !!circleArea( !radius is REAL) is REAL !Area = PI * pow(!radius,2) return !Area Endfunction 条件判断语句(If Construct) !Type = Type !OwnType = Type of Owner IF (!Type eq BRAN) THEN $P CE is Branch. ELSEIF (!OwnType eq BRAN) THEN $P CE is Branch member. ELSE $P CE is $!Type,Pls select Branch. ENDIF 练习-条件判断 !n = 0 !type = type if(!type eq BRAN) then !href = href !tref = tref if(!href.set()) then !n = !n + 1 add href endif if(!tref.set()) then !n = !n + 1 add tref endif endif if(!type eq NOZZ) then !cref = cref if(!cref.set()) then !n = !n + 1 add cref endif endif $p Total $!n reference 循环赋值 !Total = 0 Do !x From 1 To 100 By 1 !Total = !Total + !x Enddo 中断循环 Break !Total = 0 Do !x From 1 To 100 !Total = !Total + !x If(!Total gt 500) then Break $*或者Break if(!Total gt 500) Endif Enddo 用skip 跳过奇数 Do !x From 1 To 100 If(Int(!x / 2) NE (!x / 2)) then Skip $*或者Skip If(Int(!x / 2) NE (!x / 2)) Endif !Total = !Total + !x Enddo 练习-跳转 !n = 0 label /start !type = type if(!type eq BRAN) then !href = href !tref = tref if(!href.set()) then !n = !n + 1 add href endif