jass脚本调了一个下午

globals
    boolean isDebug=true

    unit mHero = null 

    constant integer SMART=851971   //右键单击
    constant integer STOP=851972    //停止
    constant integer ATTACK=851983  //攻击
    constant integer ATTACKGROUND=851984    //攻击地面
    constant integer MOVE=851986   //移动
    constant integer PATROL=851990 //巡逻
    constant integer HOLD=851993   //保持原位

endglobals
function printf takes string msg returns nothing
    if isDebug then
        call DisplayTextToPlayer(GetLocalPlayer(),0,0,msg)
    endif
endfunction

function selectHero takes nothing returns unit
    local unit u = null
    local group g = CreateGroup()
    call GroupEnumUnitsOfPlayer(g,ai_player,null)
    loop
        set u = FirstOfGroup(g)
        exitwhen u==null
        if IsUnitType(u,UNIT_TYPE_HERO) and not IsUnitIllusion(u) then
            return u
        endif
        call GroupRemoveUnit(g,u)
    endloop
    call RemoveUnit(u)
    set u=null
    return null
endfunction
//为玩家2创建守鹤
function CreateUnitById takes player playerId,integer unitId returns nothing
    call CreateUnit(playerId,unitId,3600,3300,90)
endfunction
function  gotoRandomLoc takes nothing returns nothing
    local location loc = null
    loop
        set mHero = selectHero()
        exitwhen mHero==null
        set loc = Location(GetRandomReal(-4000,4000),GetRandomReal(-4000,4000))

        call Sleep(10)    

        call IssuePointOrderByIdLoc(mHero,'attack',loc) //这边出错,因为没定义attack  ---851983

        call RemoveLocation(loc)
        set loc = null
    endloop
endfunction
function main takes nothing returns nothing
    call printf("Init AI>>>")
    call InitAI()//初始化AI
    call Sleep(10)
    call CreateUnitById(ai_player,'H002')
    call Sleep(1.0)
    call selectHero()
    call StartThread(function gotoRandomLoc)
endfunction