占位符 | 描述 | 示例 |
---|---|---|
%s |
字符串类型 | "Hello, %s!" → "Hello, Alice!" |
%d |
整型(十进制) | "You have %d messages." → "You have 5 messages." |
%f |
浮点型(十进制) | "Temperature: %f degrees." → "Temperature: 23.5 degrees." |
%t |
日期/时间(t 后跟不同的字符表示不同的格式) |
"Date: %tF" → "Date: 2023-12-13" |
%c |
字符类型 | "First letter: %c" → "First letter: A" |
%b |
布尔类型 | "This statement is %b." → "This statement is true." |
%% |
文字 % 符号 |
"Discount: %%50" → "Discount: %50" |
%x |
整型(十六进制) | "Color code: #%x" → "Color code: #FF5733" |
%e |
科学计数法表示的浮点数 | "E value: %e" → "E value: 2.718282e+00" |
%g |
自动选择浮点数表示方式(较短的%f 或%e ) |
"Weight: %g kg" → "Weight: 9.78 kg" |
Android字符串占位符整理
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