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                    1. JSON在线解析

                      快速索引:

                      Java 运算符优先级
                      运算符优先级
                      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++运算符优先级
                      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语言运算符优先级
                      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运算符优先级
                      结合方向运算符附?#26377;?#24687;
                      非结合clone newclone 和 new
                      [array()
                      非结合++ -- 递增/递减运算符
                      非结合~ - (int) (float) (string) (array) (object) (bool) @ 类型
                      非结合instanceof 类型
                      右结合! 逻辑操作符
                      * / % 算术运算符
                      + - . 算术运算符 和 字符串运算符
                      << >> 位运算符
                      非结合< <= > >= <> 比较运算符
                      非结合== != === !== 比较运算符
                      & 位运算符 和 引用
                      ^ 位运算符
                      | 位运算符
                      && 逻辑运算符
                      || 逻辑运算符
                      ? : 三元运算符
                      = += -= *= /= .= %= &= |= ^= <<= >>= 赋值运算符
                      and 逻辑运算符
                      xor 逻辑运算符
                      or 逻辑运算符
                      ,多处用到

                      这个表给出Python的运算符优先级(从低到高).

                      从最低的优先级(最松散地结?#24076;?#21040;最高的优先级(最紧密地结?#24076;?/p>

                      这意味着在一个表达式中,Python会首先计算表中较下面的运算符,然后在计算列在表上部的运算符。

                      Python 运算符优先级
                      运算符描述
                      lambdaLambda表达式
                      or?#32423;?#25110;”
                      and?#32423;?#19982;”
                      not x?#32423;?#38750;”
                      in,not in成员测试
                      is,is not同一性测试
                      <,<=,>,>=,!=,==比较
                      |按?#25442;?/td>
                      ^按位异或
                      &按位与
                      <<,>>移位
                      +,-加法与减法
                      *,/,%乘法、除法与取余
                      +x,-x正?#27721;?/td>
                      ~x按位翻转
                      **指数
                      x.attribute属性参考
                      x[index]下标
                      x[index:index]寻址段
                      f(arguments...)函数调用
                      (experession,...)绑定或元组显示
                      [expression,...]列表显示
                      {key:datum,...}字典显示
                      'expression,...'字符串转换

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                      甘肃11选五基本走势图