两手 *** 作是什么意思

双手 *** 作分析，是指以 *** 作人员双手为研究对象，发现笨拙、无效动作，改善工具、物料、设备的布局，以达到平衡左右手的负荷、减轻疲劳、提高作业效率的一种方法。双手 *** 作分析工具是双手 *** 作分析图，它是通过程序分析的符号记录工作人员双手的动作及其相互关系。[1]

手 *** 作分析时常采用“双手 *** 作程序图”。双手 *** 作程序图以双手为对象，记录其动作，表示其关系，并可指导 *** 作者如何有效地动用双手，对从事生产性的工作，提供一种新的动作观念，找出一种新的改善途径。

#include <iostream>

#include <ctypeh>

#include <fstream>

#include <stringh>

#include <malloch>

using namespace std;

ifstream fp("sourcetxt",ios::in);

char cbuffer;

char key[13]={"if","else","for","while","do","return","break","continue","int","void"

,"main","const","printf"}; //关键字

char border[7]={ "," , ";" , "{" , "}" , "(" , ")" ,"//"}; //分界符

char arithmetic[6]={"+" , "-" , "" , "/" , "++" , "--"}; //运算符

char relation[7]={"<" , "<=" , "=" , ">" , ">=" , "==" ,"!="}; //关系运算符

char lableconst[80]; //标识符

int constnum=40;

int lableconstnum=0;

int linenum=1; //统计常数和标识符数量

int search(char searchchar[],int wordtype)

{

int i=0,t=0;

switch (wordtype)

{

case 1:

{ for (i=0;i<=12;i++) //关键字

{

if (strcmp(key[i],searchchar)==0)

return(i+1);

}

return(0);}

case 2:

{

for (i=0;i<=6;i++) //分界符

{

if (strcmp(border[i],searchchar)==0)

return(i+1);

}

return(0);

}

case 3:

{

for (i=0;i<=5;i++) //运算符

{

if (strcmp(arithmetic[i],searchchar)==0)

return(i+1);

}

return(0);

}

case 4:

{

for (i=0;i<=6;i++) //关系运算符

{

if (strcmp(relation[i],searchchar)==0)

return(i+1);

}

return(0);

}

case 5:

{

for (t=40;t<=constnum;t++) //常数

{

if (strcmp(searchchar,lableconst[t])==0)//判断该常数是否已出现过

return(t+1);

}

lableconst[t-1]=(char )malloc(sizeof(searchchar));//为新的元素分配内存空间

strcpy(lableconst[t-1],searchchar);//为数组赋值lableconst指针数组名

constnum++; //常数个数自加

return(t);

}

case 6:

{

for (i=0;i<=lableconstnum;i++)

{

if (strcmp(searchchar,lableconst[i])==0) //判断标识符是否已出现过

return(i+1);

}

lableconst[i-1]=(char )malloc(sizeof(searchchar));

strcpy(lableconst[i-1],searchchar);

lableconstnum++; //标识符个数自加

return(i);

}

default:cout<<"错误！";

}

}

char alphaprocess(char buffer) //字符处理过程

{

int atype;

int i=-1;

char alphatp[20];

while ((isalpha(buffer))||(isdigit(buffer)))

//这两个函数分别是判字符和判数字函数位于ctypeh中

{

alphatp[++i]=buffer;

fpget(buffer);

}

alphatp[i+1]='\0';//在末尾添加字符串结束标志

if (atype=search(alphatp,1))

cout<<"linenum: "<<linenum<<" String= "<<alphatp<<"\t\t\t"<<"关键字"<<endl;

else

{

atype=search(alphatp,6); //标识符

cout<<"linenum: "<<linenum<<" String= "<<alphatp<<"\t\t\t"<<"标识符"<<endl;

}

return(buffer);

}

char digitprocess(char buffer) //数字处理过程

{

int i=-1;

char digittp[20];

int dtype;

while ((isdigit(buffer)))

{

digittp[++i]=buffer;

fpget(buffer);

}

digittp[i+1]='\0';

dtype=search(digittp,5);

cout<<"linenum: "<<linenum<<" String= "<<digittp<<"\t\t\t"<<"数据"<<endl;

return(buffer);

}

char otherprocess(char buffer) //分界符、运算符、逻辑运算符、等

{

int i=-1;

char othertp[20];

int otype,otypetp;

othertp[0]=buffer;

othertp[1]='\0';

if (otype=search(othertp,3))

{

fpget(buffer);

othertp[1]=buffer;

othertp[2]='\0';

if (otypetp=search(othertp,3)) //判断该运算符是否是

//由连续的两个字符组成的

{

cout<<"linenum: "<<linenum<<" String= "<<othertp<<"\t\t\t"<<"运算符"<<endl;

fpget(buffer);

goto out;

}

else //单字符逻辑运算符

{

othertp[1]='\0';

cout<<"linenum: "<<linenum<<" String= "<<othertp<<"\t\t\t"<<"逻辑运算符"<<endl;

goto out;

}

}

if (otype=search(othertp,4)) //关系运算符

{

fpget(buffer);

othertp[1]=buffer;

othertp[2]='\0';

if (otypetp=search(othertp,4)) //判断该关系运算符是否是

//由连续的两个字符组成的

{

cout<<"linenum: "<<linenum<<" String= "<<othertp<<"\t\t\t"<<"关系运算符"<<endl;

fpget(buffer);

goto out;

}

else //单字符逻辑运算符

{

othertp[1]='\0';

cout<<"linenum: "<<linenum<<" String= "<<othertp<<"\t\t\t"<<"逻辑运算"<<endl;

goto out;

}

}

if (buffer=='!') //"=="的判断

{

fpget(buffer);

if (buffer=='=')

//cout<<"!= (2,2)\n";

fpget(buffer);

goto out;

}

else

{

if (otype=search(othertp,2)) //分界符

{

cout<<"linenum: "<<linenum<<" String= "<<othertp<<"\t\t\t"<<"分界符"<<endl;

fpget(buffer);

goto out;

}

}

if ((buffer!='\n')&&(buffer!=' '))

cout<<"错误！,字符非法"<<"\t\t\t"<<buffer<<endl;

fpget(buffer);

out: return(buffer);

}

void main()

{

int i;

for (i=0;i<=50;i++)

{

lableconst[i]=" ";//用于保存标识符

}

if (!fp)

cout<<"文件打开错误！！"<<endl;

else

{

fpget (cbuffer);

while (!fpeof())

{

if(cbuffer=='\n')

{

linenum++;

fpget(cbuffer);

}

else if (isalpha(cbuffer))

{

cbuffer=alphaprocess(cbuffer);

}

else if (isdigit(cbuffer))

{

cbuffer=digitprocess(cbuffer);

}

else

cbuffer=otherprocess(cbuffer);

}

}

cout<<"标识符个数是:"<<lableconstnum<<"分别是"<<endl;

i=0;

while(i<lableconstnum)

{

cout<<lableconst[i++]<<" ";

}

cout<<endl;

cout<<"完成\n";

getchar();

}

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