14th Week on-machine practical Project 3--Electronic Dictionary

Make a simple e-dictionary. In the document Dictionary.txt, the preservation is a English-Chinese control dictionary, the vocabulary quantity nearly 8,000, English, the Chinese explanation and the part of speech uses ' \ t ' separates.

Code

#include <iostream> #include <fstream> #include <cstdlib>using namespace Std;class dictionary;class        Word{public:word () {} void Set (String e,string c,string W) {english=e;        Chinese=c;    Word_class=w;    } friend class dictionary;private:string 中文版;    String Chinese; string Word_class;};    Class Dictionary{public:dictionary ();    void Searchword (string en);    int midsearch (int low,int high,string key);p Rivate:int Wordnum; Word word[8000];};    Dictionary::d ictionary () {fstream infile;    String e,c,w;    wordnum=0;    Infile.open ("Dictionary.txt", ios::in);        if (!infile) {cout<< "dictionary.txt can ' t open" <<endl;    Exit (1);        } while (!infile.eof ()) {infile>>e>>c>>w;        Word[wordnum].set (E,C,W);    wordnum++; } infile.close ();}    int dictionary::midsearch (int low,int high,string key) {int mid;     while (Low<=high) {mid= (Low+high)/2;   if (Word[mid].english==key) return mid;        else if (Word[mid].english>key) high=mid-1;    else low=mid+1; } return-1;}    void Dictionary::searchword (string en) {int key=midsearch (0,wordnum-1,en); if (key) cout<<word[key].english<< "-" <<word[key].word_class<< "\ T" <<word[key].    word_class<<endl; else cout<< "look no such word!" "<<endl;}    int main () {dictionary D;    string W;    cout<< "Please enter the word you want to find:" <<endl;    while (cin>>w) {D.searchword (w); } return 0;}

14th Week on-machine practical Project 3--Electronic Dictionary