199. if(stu[k].sex == j) 200. {
201. showstu(stu[k]); 202. n++; 203. } 204. } 205.
206. if(n==0) 207. {
208. printf(\ 209. printf(\ 210. printf(\ 211. } 212.} 213. 214.
215./*依身高查找学生信息*/ 216.void selbyheight() 217.{
218. int j,k,m,n; 219. n=0; 220.
221. printf(\ 222. scanf(\ 223.
224. printf(\ 225. scanf(\ 226.
227. for(m=0;m 229. if(stu[m].height < j && stu[m].height > k) 230. { 231. showstu(stu[m]); 232. n++; 233. } 234. } 235. 236. if(n==0) 237. { 238. printf(\ 239. printf(\ 240. printf(\ 241. 242. } 243.} 244. 245./*菜单功能，供用户选择*/ 246.int menu() 247.{ 248. int m; 249. 250. printf(\ 251. printf(\ 1. Add a student.\\n\ 252. printf(\ 2. List all studnet name.\\n\ 253. printf(\ 3. List all informations of students.\\n\ 254. printf(\ 4. Select a student by name.\\n\ 255. printf(\ 5. Select students by age.\\n\ 256. printf(\ 6. Select students by sex.\\n\ 257. printf(\ 7. Select sutdnets by height.\\n\ 258. printf(\ 8. Delete a student.\\n\ 259. printf(\ 9. Exit.\\n\ 260. 261. scanf(\ 262. 263. if(m==9) 264. { 265. printf(\ 266. printf(\ 267. printf(\ 268. 269. exit(1); 270. } 271. if(m<1 || m>9) 272. { 273. printf(\ 274. printf(\ 275. printf(\ 276. return; 277. } 278. else 279. { 280. return m; 281. } 282.} 283. 284. 285./*主程序*/ 286.main() 287.{ 288. int j,k; 289. i=0; 290. 291. while(1) 292. { 293. j = menu(); 294. 295. if(j==1) 296. { 297. stu[i] = addstu(); 298. i++; 299. } 300. 301. if(j==2) 302. { 303. printf(\ 304. for(k=0;k 306. printf(\ 307. } 308. } 309. 310. if(j==3) 311. { 312. printf(\ 313. 314. for(k=0;k 316. showstu(stu[k]); 317. } 318. } 319. 320. if(j==4) 321. { 322. selbyname(); 323. } 324. 325. if(j==5) 326. { 327. selbyage(); 328. } 329. 330. if(j==6) 331. { 332. selbysex(); 333. } 334. 335. if(j==7) 336. { 337. selbyheight(); 338. } 339. 340. 341. 342. 343. 344. 345. } 346.} if(j==8) { delstu(); }