{"id":45010,"date":"2023-04-18T11:40:13","date_gmt":"2023-01-13T16:13:05","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/45010-2\/"},"modified":"2024-04-30T00:05:50","modified_gmt":"2024-04-29T16:05:50","slug":"45010-2","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/45010-2\/","title":{"rendered":""},"content":{"rendered":"

\u306f\u3058\u3081\u306b<\/h1>\n

\u3069\u3046\u3082\u3001\u30ec\u30ac\u30b7\u30fc\u7d44\u8fbc\u307f\u30a8\u30f3\u30b8\u30cb\u30a2\u306e@yagisawa\u3067\u3059\u3002
\n\u6700\u8fd1(\u3068\u8a00\u3044\u305f\u3044\u3068\u3053\u308d\u3067\u3059\u304c2\u5e74\u524d\u304b\u3089)\u7d30\u3005\u3068\u7d44\u8fbc\u307fRust\u306b\u30c1\u30e3\u30ec\u30f3\u30b8\u3057\u3066\u3044\u308b\u306e\u3067\u3059\u304c\u3001Rust\u306e\u30dd\u30a4\u30f3\u30bf\u306e\u6271\u3044\u304c\u306a\u304b\u306a\u304bC\u306e\u3088\u3046\u306b\u3044\u304b\u306a\u304b\u3063\u305f\u306e\u3067\u8abf\u3079\u305f\u3053\u3068\u3092\u307e\u3068\u3081\u307e\u3057\u305f\u3002<\/p>\n

\u89e3\u8aac\u306b\u4f7f\u3046\u30b3\u30fc\u30c9\u4f8b\u306fThe Embedonomicon – A main interface\u306b\u3042\u308b\u4ee5\u4e0b\u3092\u6271\u3044\u307e\u3059\u3002<\/p>\n

extern<\/span> \"C\"<\/span> {<\/span>\r\n    static<\/span> mut<\/span> _sbss<\/span>:<\/span> u8<\/span>;<\/span>\r\n    static<\/span> mut<\/span> _ebss<\/span>:<\/span> u8<\/span>;<\/span>\r\n\r\n    static<\/span> mut<\/span> _sdata<\/span>:<\/span> u8<\/span>;<\/span>\r\n    static<\/span> mut<\/span> _edata<\/span>:<\/span> u8<\/span>;<\/span>\r\n    static<\/span> _sidata<\/span>:<\/span> u8<\/span>;<\/span>\r\n}<\/span>\r\n\r\nlet<\/span> count<\/span> =<\/span> &<\/span>_ebss<\/span> as<\/span> *<\/span>const<\/span> u8<\/span> as<\/span> usize<\/span> -<\/span> &<\/span>_sbss<\/span> as<\/span> *<\/span>const<\/span> u8<\/span> as<\/span> usize<\/span>;<\/span>\r\nptr<\/span>::<\/span>write_bytes<\/span>(<\/span>&<\/span>mut<\/span> _sbss<\/span> as<\/span> *<\/span>mut<\/span> u8<\/span>,<\/span> 0<\/span>,<\/span> count<\/span>);<\/span>\r\n\r\nlet<\/span> count<\/span> =<\/span> &<\/span>_edata<\/span> as<\/span> *<\/span>const<\/span> u8<\/span> as<\/span> usize<\/span> -<\/span> &<\/span>_sdata<\/span> as<\/span> *<\/span>const<\/span> u8<\/span> as<\/span> usize<\/span>;<\/span>\r\nptr<\/span>::<\/span>copy_nonoverlapping<\/span>(<\/span>&<\/span>_sidata<\/span> as<\/span> *<\/span>const<\/span> u8<\/span>,<\/span> &<\/span>mut<\/span> _sdata<\/span> as<\/span> *<\/span>mut<\/span> u8<\/span>,<\/span> count<\/span>);<\/span>\r\n<\/code><\/pre>\n
\u4e0a\u8a18\u30b3\u30fc\u30c9\u304c\u4f55\u3092\u610f\u5473\u3057\u3066\u3044\u308b\u304b\u306b\u3064\u3044\u3066\u306f\u62d9\u4f5c\u306e\u4ee5\u4e0b\u306e\u8a18\u4e8b\u3092\u3054\u53c2\u8003\u304f\u3060\u3055\u3044\u3002<\/p>\n
 <\/p>\n
\u30dd\u30a4\u30f3\u30bf(\u30a2\u30c9\u30ec\u30b9)\u3092\u6570\u5024\u306b\u30ad\u30e3\u30b9\u30c8\u3059\u308b<\/h1>\n
\u7d44\u8fbc\u307f\u30bd\u30d5\u30c8\u3067\u306f\u30a2\u30c9\u30ec\u30b9\u3092\u6570\u5024\u3068\u3057\u3066\u6271\u3063\u3066\u52a0\u6e1b\u7b97\u3057\u305f\u3044\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u30b3\u30fc\u30c9\u4f8b\u306e\u3088\u3046\u306bbss\u30bb\u30af\u30b7\u30e7\u30f3\u306e\u7d42\u4e86\u30a2\u30c9\u30ec\u30b9\u304b\u3089\u958b\u59cb\u30a2\u30c9\u30ec\u30b9\u3092\u5f15\u3044\u3066bss\u30bb\u30af\u30b7\u30e7\u30f3\u306e\u30b5\u30a4\u30ba\u3092\u6c42\u3081\u305f\u3044\u3068\u304d\u7b49\u3067\u3059\u3002<\/p>\n
C\u3067\u306f<\/p>\n
unsigned<\/span> int<\/span> count<\/span> =<\/span> (<\/span>unsigned<\/span> int<\/span>)<\/span>&<\/span>_ebss<\/span> -<\/span> (<\/span>unsigned<\/span> int<\/span>)<\/span>&<\/span>_sbss<\/span>;<\/span>\r\n<\/code><\/pre>\n
\u3068\u76f4\u63a5\u30dd\u30a4\u30f3\u30bf\u3092unsigned int\u306b\u30ad\u30e3\u30b9\u30c8\u3067\u304d\u307e\u3059\u304c\u3001Rust\u3067\u306f<\/p>\n
let<\/span> count<\/span> =<\/span> &<\/span>_ebss<\/span> as<\/span> *<\/span>const<\/span> u8<\/span> as<\/span> usize<\/span> -<\/span> &<\/span>_sbss<\/span> as<\/span> *<\/span>const<\/span> u8<\/span> as<\/span> usize<\/span>;<\/span>\r\n<\/code><\/pre>\n
\u306e\u3088\u3046\u306b\u3057\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u3088\u3046\u3067\u3059\u3002
\n\u308f\u304b\u308a\u3084\u3059\u3044\u3088\u3046\u306b\u62ec\u5f27\u3092\u4ed8\u3051\u308b\u3068<\/p>\n
let<\/span> count<\/span> =<\/span> ((<\/span>&<\/span>_ebss<\/span> as<\/span> *<\/span>const<\/span> u8<\/span>)<\/span> as<\/span> usize<\/span>)<\/span> -<\/span> ((<\/span>&<\/span>_sbss<\/span> as<\/span> *<\/span>const<\/span> u8<\/span>)<\/span> as<\/span> usize<\/span>);<\/span>\r\n<\/code><\/pre>\n
\u3068\u306a\u308a\u3001&_ebss\u3092\u4e00\u65e6*const u8\u306b\u30ad\u30e3\u30b9\u30c8\u3057\u3066\u304b\u3089\u66f4\u306busize\u306b\u30ad\u30e3\u30b9\u30c8\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n
\u8a66\u3057\u306b<\/p>\n
let<\/span> count<\/span> =<\/span> (<\/span>&<\/span>_ebss<\/span> as<\/span> usize<\/span>)<\/span> -<\/span> ((<\/span>&<\/span>_sbss<\/span> as<\/span> *<\/span>const<\/span> u8<\/span>)<\/span> as<\/span> usize<\/span>);<\/span>\r\n<\/code><\/pre>\n
\u3068\u3057\u3066\u307f\u305f\u3068\u3053\u308d<\/p>\n
error[E0606]: casting `&u8` as `usize` is invalid\r\n  --> src\\main.rs:44:17\r\n   |\r\n44 |     let count = (&_ebss as usize) - ((&_sbss as *const u8) as usize);\r\n   |                 ^------^^^^^^^^^^\r\n   |                 ||\r\n   |                 |help: dereference the expression: `*&_ebss`\r\n   |                 cannot cast `&u8` as `usize`\r\n\r\nFor more information about this error, try `rustc --explain E0606`.\r\n<\/code><\/pre>\n
\u3081\u3063\u3061\u3083\u6012\u3089\u308c\u307e\u3057\u305f\u3002\u300c`&u8`\u3092`usize`\u306b\u30ad\u30e3\u30b9\u30c8\u3059\u308b\u306e\u306f\u7121\u52b9\u3067\u3059\u300d\u3068\u8a00\u3063\u3066\u3044\u307e\u3059\u3002
\nType cast expressions – The Rust Reference\u306b\u8a18\u8f09\u3055\u308c\u3066\u3044\u308b\u901a\u308a\u3001\u30ad\u30e3\u30b9\u30c8\u306b\u306f\u898f\u5247\u304c\u3042\u308a&T\u304b\u3089Integer type\u306b\u306f\u30ad\u30e3\u30b9\u30c8\u3067\u304d\u307e\u305b\u3093\u3002
\n\u305d\u3053\u3067&T -> *T\u898f\u5247\u3068*T -> Integer type\u898f\u5247\u3092\u4f7f\u3063\u3066\u30ad\u30e3\u30b9\u30c8\u3057\u3066\u3044\u308b\u308f\u3051\u3067\u3059\u3002<\/p>\n
\u307e\u305f\u3001*T\u306f*const T\u304b*mut T\u3060\u3088\u3068\u66f8\u304b\u308c\u3066\u3044\u308b\u306e\u3067<\/p>\n
let<\/span> count<\/span> =<\/span> ((<\/span>&<\/span>mut<\/span> _ebss<\/span> as<\/span> *<\/span>mut<\/span> u8<\/span>)<\/span> as<\/span> usize<\/span>)<\/span> -<\/span> ((<\/span>&<\/span>mut<\/span> _sbss<\/span> as<\/span> *<\/span>mut<\/span> u8<\/span>)<\/span> as<\/span> usize<\/span>);<\/span>\r\n<\/code><\/pre>\n
\u3068\u66f8\u3044\u3066\u3082\u5927\u4e08\u592b\u3067\u3059\u3002
\n\u304c\u3001\u6b32\u3057\u3044\u306e\u306f\u30a2\u30c9\u30ec\u30b9\u306a\u306e\u3067_ebss\u306e\u30dd\u30a4\u30f3\u30bf\u304c\u30df\u30e5\u30fc\u30bf\u30d6\u30eb\u306b\u306a\u3063\u3066\u3082\u7279\u306b\u5b09\u3057\u304f\u3042\u308a\u307e\u305b\u3093\u3002const\u3067\u5341\u5206\u3067\u3059\u3002<\/p>\n
\u4f59\u8ac7\u3067\u3059\u304c\u3001\u6b32\u3057\u3044\u306e\u306f\u30a2\u30c9\u30ec\u30b9\u306a\u306e\u3067(2\u56de\u76ee)<\/p>\n
let<\/span> count<\/span> =<\/span> ((<\/span>&<\/span>_ebss<\/span> as<\/span> *<\/span>const<\/span> _<\/span>)<\/span> as<\/span> usize<\/span>)<\/span> -<\/span> ((<\/span>&<\/span>_sbss<\/span> as<\/span> *<\/span>const<\/span> _<\/span>)<\/span> as<\/span> usize<\/span>);<\/span>\r\n<\/code><\/pre>\n
\u306e\u3088\u3046\u306b\u3001\u30dd\u30a4\u30f3\u30bf\u306e\u578b\u3092\u7701\u7565\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u308b\u3088\u3046\u3067\u3059\u3002<\/p>\n
\u4f59\u8ac7\u3067\u3059\u304c(2\u56de\u76ee)\u3001Rust\u3067\u306f&(\u53c2\u7167)\u3068*(\u30dd\u30a4\u30f3\u30bf)\u306f\u5225\u7269\u3068\u3057\u3066\u6271\u308f\u308c\u3066\u3044\u308b\u3088\u3046\u3067\u3059\u3002
\n\u305d\u306e\u305f\u3081\u3001C\u3067\u306f\u3042\u308a\u5f97\u306a\u3044<\/p>\n
let<\/span> reference<\/span> =<\/span> &<\/span>4<\/span>;<\/span>\r\n<\/code><\/pre>\n
\u306a\u3093\u3066\u30b3\u30fc\u30c9(4\u306e\u30dd\u30a4\u30f3\u30bf\uff1f\u3067\u306f\u306a\u304f\u30014\u3068\u3044\u3046\u6570\u5024\u304c\u683c\u7d0d\u3055\u308c\u3066\u3044\u308b\u3069\u3053\u304b\u306e\u9818\u57df\u3078\u306e\u53c2\u7167)\u304c\u66f8\u3051\u3066\u3057\u307e\u3044\u307e\u3059\u3002\u3053\u3053\u306b\u66f8\u304b\u308c\u3066\u3044\u305f\u4f8b\u306a\u306e\u3067\u3059\u304c\u3001\u521d\u3081\u3066\u898b\u305f\u3068\u304d\u306f\u76ee\u3093\u7389\u98db\u3073\u51fa\u307e\u3057\u305f\u3002<\/p>\n
\u6697\u9ed9\u306e\u578b\u5909\u63db(\u578b\u5f37\u5236)<\/h1>\n
\u30b3\u30fc\u30c9\u4f8b\u306b\u3042\u308bptr::write_bytes\u306e\u5f15\u6570\u306f<\/p>\n
pub<\/span> const<\/span> unsafe<\/span> fn<\/span> write_bytes<\/span><<\/span>T<\/span>><\/span>(<\/span>dst<\/span>:<\/span> *<\/span>mut<\/span> T<\/span>,<\/span> val<\/span>:<\/span> u8<\/span>,<\/span> count<\/span>:<\/span> usize<\/span>)<\/span>\r\n<\/code><\/pre>\n
\u306e\u3088\u3046\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002C\u306ememset\u306e\u3088\u3046\u306a\u95a2\u6570\u3067\u3059\u3002
\nC\u3067\u306f\u7279\u306b\u578b\u3092\u610f\u8b58\u305b\u305a\u306b<\/p>\n
int<\/span> a<\/span>[<\/span>10<\/span>];<\/span>\r\nmemset<\/span>(<\/span>a<\/span>,<\/span> 0<\/span>,<\/span> sizeof<\/span>(<\/span>a<\/span>));<\/span>\r\n<\/code><\/pre>\n
\u3068\u304b\u3084\u3063\u3066\u3044\u308b\u306e\u3067\u306f\u306a\u3044\u3067\u3057\u3087\u3046\u304b\uff1f
\nmemset\u306e\u5f15\u6570\u306f<\/p>\n
void<\/span> *<\/span>memset<\/span>(<\/span>void<\/span> *<\/span>buf<\/span>,<\/span> int<\/span> ch<\/span>,<\/span> size_t<\/span> n<\/span>);<\/span>\r\n<\/code><\/pre>\n
\u3067\u3059\u304c\u3001void *buf\u306bint *\u3092\u6e21\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n
Rust\u3067\u3082\u8a66\u3057\u306b<\/p>\n
ptr<\/span>::<\/span>write_bytes<\/span>(<\/span>&<\/span>_sbss<\/span>,<\/span> 0<\/span>,<\/span> count<\/span>);<\/span>\r\n<\/code><\/pre>\n
\u3068\u3057\u3066\u307f\u305f\u3068\u3053\u308d<\/p>\n
error[E0308]: mismatched types\r\n    --> src\\main.rs:45:17\r\n     |\r\n45   |     write_bytes(&_sbss, 0, count);\r\n     |     ----------- ^^^^^^ types differ in mutability\r\n     |     |\r\n     |     arguments to this function are incorrect\r\n     |\r\n     = note: expected raw pointer `*mut _`\r\n                  found reference `&u8`\r\nnote: function defined here\r\n    --> C:\\Users\\user\\.rustup\\toolchains\\nightly-x86_64-pc-windows-msvc\\lib\/rustlib\/src\/rust\\library\/core\/src\/intrinsics.rs:2402:21\r\n     |\r\n2402 | pub const unsafe fn write_bytes<T>(dst: *mut T, val: u8, count: usize) {\r\n     |                     ^^^^^^^^^^^\r\n\r\nFor more information about this error, try `rustc --explain E0308`.\r\n<\/code><\/pre>\n
\u3081\u3063\u3061\u3083\u6012\u3089\u308c\u307e\u3057\u305f(2\u56de\u76ee)\u3002\u300c\u751f\u30dd\u30a4\u30f3\u30bf`*mut _`\u3092\u671f\u5f85\u3057\u3066\u3044\u308b\u304c\u3001`&u8`\u53c2\u7167\u304c\u898b\u3064\u304b\u308a\u307e\u3057\u305f\u300d\u3068\u8a00\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n
\u6b21\u306b\u300c\u30df\u30e5\u30fc\u30bf\u30d6\u30eb\u3058\u3083\u306a\u3044\u3068\u66f8\u8fbc\u307f\u3067\u304d\u306a\u3044\u3088\u306d\u30fc\u300d\u3068\u3044\u3046\u3053\u3068\u3067<\/p>\n
ptr<\/span>::<\/span>write_bytes<\/span>(<\/span>&<\/span>mut<\/span> _sbss<\/span>,<\/span> 0<\/span>,<\/span> count<\/span>);<\/span>\r\n<\/code><\/pre>\n
\u3068\u30df\u30e5\u30fc\u30bf\u30d6\u30eb\u306a\u53c2\u7167\u306b\u3057\u3066\u307f\u305f\u3068\u3053\u308d\u2026\u30d3\u30eb\u30c9\u304c\u901a\u308a\u307e\u3057\u305f\uff1f\uff01
\n\u3069\u3046\u3044\u3046\u3053\u3068\u304b\u3068\u3044\u3046\u3068\u3001Type coercions – The Rust Reference\u306b\u8a18\u8f09\u3055\u308c\u3066\u3044\u308b\u901a\u308a\u3001\u7279\u5b9a\u306e\u72b6\u6cc1\u3067\u6697\u9ed9\u306e\u578b\u5909\u63db\u304c\u884c\u308f\u308c\u307e\u3059\u3002
\n\u4eca\u56de\u306e\u5834\u5408\u306f&mut u8 -> *mut T\u306a\u306e\u3067&mut T -> *mut T\u306b\u8a72\u5f53\u3057\u307e\u3059\u3002<\/p>\n
\u304a\u308f\u308a\u306b<\/h1>\n
\u77e5\u8b58\u304c\u6d45\u3059\u304e\u3066\u3046\u307e\u304f\u307e\u3068\u3081\u3089\u308c\u307e\u305b\u3093\u304c\u3001\u307e\u3068\u3081\u308b\u3068<\/p>\n
    \n
  • \n
      Rust\u306e\u30ad\u30e3\u30b9\u30c8\u306b\u306f\u898f\u5247\u304c\u3042\u308b<\/ul>\n<\/li>\n<\/ul>\n
       <\/p>\n
        \n
      • \n
          Rust\u306f&\u3068*\u306f\u533a\u5225\u3059\u308b<\/ul>\n<\/li>\n<\/ul>\n
           <\/p>\n
            Rust\u306b\u3082\u6697\u9ed9\u306e\u578b\u5909\u63db\u306f\u3042\u308b<\/ul>\n
            \u3068\u3044\u3063\u305f\u3068\u3053\u308d\u3067\u3057\u3087\u3046\u304b\u3002
            \n\u3046\u307e\u304f\u4f7f\u3044\u3053\u306a\u3057\u3066(\u3042\u307e\u308a\u30ad\u30e3\u30b9\u30c8\u3092\u4f7f\u308f\u305a\uff1f)Rust\u3089\u3057\u3044\u30b3\u30fc\u30c9\u3092\u66f8\u304d\u305f\u3044\u3068\u3053\u308d\u3067\u3059\u3002\u3067\u304d\u308c\u3070\u30dd\u30a4\u30f3\u30bf\u306e\u4f7f\u7528\u306f\u6700\u5c0f\u9650\u306b\u6291\u3048\u305f\u3044\u3067\u3059\u306d\u3002<\/p>\n
            \u8272\u3005\u5b9f\u9a13\u3057\u3066\u3044\u3066\u30a8\u30e9\u30fc\u3092\u51fa\u3057\u307e\u304f\u308a\u307e\u3057\u305f\u304c\u3001Rust\u306e\u30a8\u30e9\u30fc\u306f\u89aa\u5207\u3060\u306a\u3068\u611f\u3058\u307e\u3057\u305f\u3002
            \n\u4f8b\u3048\u3070cannot cast `&u8` as `usize` \u306b\u3064\u3044\u3066\u306fFor more information about this error, try `rustc –explain E0606`.\u3068\u306e\u8a18\u8f09\u304c\u3042\u308a\u3001\u5b9f\u884c\u3057\u3066\u307f\u308b\u3068<\/p>\n
            An incompatible cast was attempted.\r\n\r\nErroneous code example:\r\n\r\n```\r\nlet x = &0u8; \/\/ Here, `x` is a `&u8`.\r\nlet y: u32 = x as u32; \/\/ error: casting `&u8` as `u32` is invalid\r\n```\r\n\r\nWhen casting, keep in mind that only primitive types can be cast into each\r\nother. Example:\r\n\r\n```\r\nlet x = &0u8;\r\nlet y: u32 = *x as u32; \/\/ We dereference it first and then cast it.\r\n```\r\n\r\nFor more information about casts, take a look at the Type cast section in\r\n[The Reference Book][1].\r\n\r\n[1]: https:\/\/doc.rust-lang.org\/reference\/expressions\/operator-expr.html#type-cast-expressions\r\n<\/code><\/pre>\n
            \u3068\u4f8b\u304c\u8868\u793a\u3055\u308c\u307e\u3059(\u671f\u5f85\u3057\u305f\u89e3\u6c7a\u7b56\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3067\u3057\u305f\u304c\u2026)\u3002
            \n\u66f4\u306b[1]: https:\/\/doc.rust-lang.org\/reference\/expressions\/operator-expr.html#type-cast-expressions\u3068\u306e\u8a18\u8f09\u304c\u3042\u308a\u3001\u4f55\u6545\u30a8\u30e9\u30fc\u306b\u306a\u3063\u305f\u304b(\u3069\u3046\u4fee\u6b63\u3059\u308c\u3070\u3088\u3044\u304b)\u304c\u308f\u304b\u3063\u305f\u3001\u3068\u3044\u3046\u308f\u3051\u3067\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
            \u306f\u3058\u3081\u306b \u3069\u3046\u3082\u3001\u30ec\u30ac\u30b7\u30fc\u7d44\u8fbc\u307f\u30a8\u30f3\u30b8\u30cb\u30a2\u306e@yagisawa\u3067\u3059\u3002 \u6700\u8fd1(\u3068\u8a00\u3044\u305f\u3044\u3068\u3053\u308d\u3067\u3059\u304c2\u5e74\u524d\u304b\u3089) […]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-45010","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"\n- Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/zh\/blog\/45010-2\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:description\" content=\"\u306f\u3058\u3081\u306b \u3069\u3046\u3082\u3001\u30ec\u30ac\u30b7\u30fc\u7d44\u8fbc\u307f\u30a8\u30f3\u30b8\u30cb\u30a2\u306e@yagisawa\u3067\u3059\u3002 \u6700\u8fd1(\u3068\u8a00\u3044\u305f\u3044\u3068\u3053\u308d\u3067\u3059\u304c2\u5e74\u524d\u304b\u3089) […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/45010-2\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - 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