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                    1. JSON在線解析

                      快速索引:

                      Java 運算符優先級
                      運算符優先級
                      postfixexpr++expr--
                      unary++expr --expr +expr -expr ~ !
                      multiplicative* / %
                      additive+ -
                      shift<< >> >>>
                      relational< > <= >= instanceof
                      equality== !=
                      bitwise AND&
                      bitwise exclusive OR^
                      bitwise inclusive OR|
                      logical AND&&
                      logical OR||
                      ternary? :
                      assignment= += -= *= /= %= &= ^= |= <<= >>= >>>=
                      C++運算符優先級
                      Precedence Operator Description Associativity
                      1:: Scope resolution Left-to-right
                      2++  -- Suffix/postfix increment and decrement
                      () Function call
                      [] Array subscripting
                      . Element selection by reference
                      ?> Element selection through pointer
                      3++  -- Prefix increment and decrement Right-to-left
                      +  ? Unary plus and minus
                      !  ~ Logical NOT and bitwise NOT
                      (type) Type cast
                      * Indirection (dereference)
                      & Address-of
                      sizeof Size-of
                      new,new[] Dynamic memory allocation
                      delete,delete[] Dynamic memory deallocation
                      4.*  ->* Pointer to member Left-to-right
                      5*  /  % Multiplication, division, and remainder
                      6+  ? Addition and subtraction
                      7<<  >> Bitwise left shift and right shift
                      8<  <= For relational operators < and ≤ respectively
                      >  >= For relational operators > and ≥ respectively
                      9==  != For relational = and ≠ respectively
                      10& Bitwise AND
                      11^ Bitwise XOR (exclusive or)
                      12| Bitwise OR (inclusive or)
                      13&& Logical AND
                      14|| Logical OR
                      15?: Ternary conditional Right-to-Left
                      16= Direct assignment (provided by default for C++ classes)
                      +=  ?= Assignment by sum and difference
                      *=  /=  %= Assignment by product, quotient, and remainder
                      <<=  >>= Assignment by bitwise left shift and right shift
                      &=  ^=  |= Assignment by bitwise AND, XOR, and OR
                      17throw Throw operator (for exceptions)
                      18, Comma Left-to-right
                      C語言運算符優先級
                      Precedence Operator Description Associativity
                      1++-- Suffix/postfix increment and decrement Left-to-right
                      () Function call
                      [] Array subscripting
                      . Structure and union member access
                      ?> Structure and union member access through pointer
                      (type){list} Compound literal(C99)
                      2++-- Prefix increment and decrement Right-to-left
                      +? Unary plus and minus
                      !~ Logical NOT and bitwise NOT
                      (type) Type cast
                      * Indirection (dereference)
                      & Address-of
                      sizeof Size-of
                      _Alignof Alignment requirement(C11)
                      3*/% Multiplication, division, and remainder Left-to-right
                      4+? Addition and subtraction
                      5<<>> Bitwise left shift and right shift
                      6<<= For relational operators < and ≤ respectively
                      >>= For relational operators > and ≥ respectively
                      7==!= For relational = and ≠ respectively
                      8& Bitwise AND
                      9^ Bitwise XOR (exclusive or)
                      10| Bitwise OR (inclusive or)
                      11&& Logical AND
                      12|| Logical OR
                      13?: Ternary conditional Right-to-Left
                      14= Simple assignment
                      +=?= Assignment by sum and difference
                      *=/=%= Assignment by product, quotient, and remainder
                      <<=>>= Assignment by bitwise left shift and right shift
                      &=^=|= Assignment by bitwise AND, XOR, and OR
                      15, Comma Left-to-right
                      PHP運算符優先級
                      結合方向運算符附加信息
                      非結合clone newclone 和 new
                      [array()
                      非結合++ -- 遞增/遞減運算符
                      非結合~ - (int) (float) (string) (array) (object) (bool) @ 類型
                      非結合instanceof 類型
                      右結合! 邏輯操作符
                      * / % 算術運算符
                      + - . 算術運算符 和 字符串運算符
                      << >> 位運算符
                      非結合< <= > >= <> 比較運算符
                      非結合== != === !== 比較運算符
                      & 位運算符 和 引用
                      ^ 位運算符
                      | 位運算符
                      && 邏輯運算符
                      || 邏輯運算符
                      ? : 三元運算符
                      = += -= *= /= .= %= &= |= ^= <<= >>= 賦值運算符
                      and 邏輯運算符
                      xor 邏輯運算符
                      or 邏輯運算符
                      ,多處用到

                      這個表給出Python的運算符優先級(從低到高).

                      從最低的優先級(最松散地結合)到最高的優先級(最緊密地結合)。

                      這意味著在一個表達式中,Python會首先計算表中較下面的運算符,然后在計算列在表上部的運算符。

                      Python 運算符優先級
                      運算符描述
                      lambdaLambda表達式
                      or布爾“或”
                      and布爾“與”
                      not x布爾“非”
                      in,not in成員測試
                      is,is not同一性測試
                      <,<=,>,>=,!=,==比較
                      |按位或
                      ^按位異或
                      &按位與
                      <<,>>移位
                      +,-加法與減法
                      *,/,%乘法、除法與取余
                      +x,-x正負號
                      ~x按位翻轉
                      **指數
                      x.attribute屬性參考
                      x[index]下標
                      x[index:index]尋址段
                      f(arguments...)函數調用
                      (experession,...)綁定或元組顯示
                      [expression,...]列表顯示
                      {key:datum,...}字典顯示
                      'expression,...'字符串轉換

                      工具導航地圖

                      甘肃11选五基本走势图