whole_func_string: function pascalCase(str) {
      return words(str).reduce((result, word, idx) => {
          return result + (idx && isUpperCase(word) ? word : capitalize(word));
      }, '');
  }
func_code_string: function pascalCase(str) {
      return words(str).reduce((result, word, idx) => {
          return result + (idx && isUpperCase(word) ? word : capitalize(word));
      }, '');
  }
func_documentation_string: ****************************************
  大驼峰
  ****************************************