求教！哪位大神给我讲解一下这一串代码是什么意思？新手上路，很着急！！！！！！！

treenode thelist = getvarnode(current,"componentlist");
+ q3 m2 x/ a2 g! O5 G, a# A- S* |  treenode thesum = getvarnode(current,"targetcomponentsum");
% p, U5 Y! Y1 `. s1 N6 k8 }, a  setnodenum(thesum,0);
% v  `0 F9 T/ _$ c: g: L
   {
) R' n* |0 P7 b  v( [     setnodenum(cellrowcolumn(thelist,1,1),getlabelnum(first(current),"1"));
    inc(thesum,getlabelnum(first(current),"1"));
. j! s2 c8 \9 j& x0 ?     setnodenum(cellrowcolumn(thelist,2,1),getlabelnum(first(current),"2"));
    inc(thesum,getlabelnum(first(current),"2"));
     setnodenum(cellrowcolumn(thelist,3,1),getlabelnum(first(current),"3"));
7 x8 g  W$ b6 V5 G$ e    inc(thesum,getlabelnum(first(current),"3"));
     setnodenum(cellrowcolumn(thelist,4,1),getlabelnum(first(current),"4"));
    inc(thesum,getlabelnum(first(current),"4"));
  }
}

你的代码不全啊，但是大概就是根据当前实体的标签值设置属性节点“componentlist”（好像是个表格）的值，，然后将节点targetcomponentsum的值加対应标签的值。

2# missman
4 T7 R0 s4 E  s% ^4 ~
我这新手，主要是不明白  setnodenum 、getlabelnum这之类的具体什么含义，有什么作用