cpp // for 语句判断条件复杂,没有体现「枚举」的本质for(inti = l; i <= r && i %10!=0; ++i) {// do something...}// for 语句用于枚举,break 用于「到何时为止」for(inti = l; i <= r; ++i) {if(i %10==0)break;// do something...} cpp // 语句重复,顺序不自然statement1;w...
③if-else if #include<iostream> #include<cstdio> using namespace std; int main() { int grade; cin >> grade; if (grade >= 85) cout << 'A' << endl; else //蕴含着grade<85 { if (grade >= 70) cout << 'B' << endl; else //蕴含着grade<70 { if (grade >= 60) cout <...
#include <iostream>intmain(){// simple if-statement with an else clauseinti=2;if(i>2)std::cout<<i<<" is greater than 2\n";elsestd::cout<<i<<" is not greater than 2\n";// nested if-statementintj=1;if(i>1)if(j>2)std::cout<<i<<" > 1 and "<<j<<" > 2\n";else...
1)ifstatement; 2)ifstatement with an else clause; 3)switchstatement; 4)consteval ifstatement; 5)consteval ifstatement with an else clause. Iteration statements An iteration statement repeatedly executes some code. attr (optional)while (condition)statement(1) ...
11if(int(x)>100): 12print"x>100" 13print"The First statement" 14elif(int(x)>50): 15print'x>50' 16print"The Second statement" 17elif(int(x)>30): 18pass 19else: 20print'x<=30' 21print'---end---'
numFields(); fld++) { if (!t.fieldIsNull(fld)) cout << t.fieldValue(fld) << "|"; else cout << "NULL" << "|"; } cout << endl; } // Test CppSQLiteBinary by storing/retrieving some binary data, checking // it afterwards to make sure it is the same // cout << endl ...
'if' statement (with 'elif' and 'else' branches) 'for' statement (with 'else' branch and 'if' part support) 'include' statement 'import'/'from' statements 'set' statement (both line and block) 'filter' statement 'extends'/'block' statements ...
#if defined(_WIN32) || defined(_WIN64) HINSTANCE dll_handle_for_win; /* 当操作系统为 windows 类型时,使用函数 LoadLibrary() 加载动态链接库 */ #else void *dll_handle_for_unix_or_linux; char *error_statement; /* 当操作系统为 unix 或 linux 类型时,使用函数 dlopen() 加载动态链接库 */...
if (num1 > num2) result = num1; else result = num2; return result; } 把max() 函数和 main() 函数放一块,编译源代码。当运行最后的可执行文件时,会产生下列结果: Max value is : 200 Lambda 函数与表达式 C++ 函数 | 菜鸟教程 setw() 函数 ...
if re.data_type='CHAR' or re.data_type='DATE' or re.data_type='VARCHAR2' or re.data_type='RAW' then tmp:=tmp||'|'||'|'''; tmp:=tmp||'|'||'|'||re.column_name||'|'||'|'||''','''; else --tmp:=tmp||'|'||'|'||'decode('||re.column_name||',null,''null...