参数值可以是任何有效的模板表达式,比如字符串字面量或组件的属性。
The parameter value can be any valid template expression such as a string literal or a component property.
Angular对所有双花括号中的表达式求值,把求值的结果转换成字符串,并把它们跟相邻的字符串字面量连接起来。
Angular evaluates all expressions in double curly braces, converts the expression results to strings, and links them with neighboring literal strings.
格式化字符串是一个字面量文本,内嵌了一些命令指示,把其后的参数转入文本中。
The format string contains literal text, embedded with directives, for converting the trailing list of arguments into text.
应用推荐