{"id":128209,"date":"2020-06-17T20:43:41","date_gmt":"2020-06-17T12:43:41","guid":{"rendered":"http:\/\/4563.org\/?p=128209"},"modified":"2020-06-17T20:43:41","modified_gmt":"2020-06-17T12:43:41","slug":"%e5%85%b3%e4%ba%8e-ctypes-%e4%b8%ad-array-%e7%9a%84%e9%97%ae%e9%a2%98","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=128209","title":{"rendered":"\u5173\u4e8e ctypes \u4e2d Array \u7684\u95ee\u9898"},"content":{"rendered":"<div>\n<div>\n<div>\n<h1>                  \u5173\u4e8e ctypes \u4e2d Array \u7684\u95ee\u9898               <\/h1>\n<p> <\/p>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : wave4yy <\/span>  <span><i><\/i> 64<\/span> <\/div>\n<div> <\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<div isfirst=\"1\"> <\/p>\n<p>\u8bf7\u6559\u4e00\u4e0b\u5927\u5bb6<\/p>\n<pre><code>from ctypes import *  raw_bytes = b\"x00x01x00\" class Test(Structure):     _fields_ = [         (\"name1\", c_char * 2),         (\"name2\", c_char)     ]  buf = create_string_buffer(len(raw_bytes)) buf.raw = raw_bytes test = Test.from_buffer(buf) print(test.name1) print(test.name2) <\/code><\/pre>\n<p>\u8f93\u51fa\u4e3a<\/p>\n<pre><code>b'' b'x00' <\/code><\/pre>\n<p>\u60f3\u5c06\u4e00\u4e32 bytes \u6570\u636e\u76f4\u63a5\u8f6c\u4e3a\u7ed3\u6784\u4f53\uff0c\u8bd5\u4e86\u4e00\u4e0b\u4e0a\u9762\u7684\u5199\u6cd5\uff0c\u53d1\u73b0\u5b58\u5728\u4e00\u4e2a\u95ee\u9898\uff0c\u7c7b\u578b\u4e3a c_char_Array_2 \u7684 name1 \u53d8\u91cf\u7684\u503c\u4e3a\u7a7a\uff0c\u53cd\u800c c_char \u7c7b\u578b\u7684 name2 \u53d8\u91cf\u7684\u503c\u4e3ax00\uff0c\u731c\u6d4b\u4f1a\u4e0d\u4f1a\u662f\u5b57\u7b26\u4e32\u7684x00 \u622a\u65ad\u7684\u95ee\u9898\uff0c\u5e0c\u671b\u80fd\u591f\u5f97\u5230\u89e3\u51b3<\/p>\n<\/p><\/div>\n<div> <b>\u5927\u4f6c\u6709\u8a71\u8aaa<\/b> (<span>0<\/span>)        <\/div>\n<div> <\/div>\n<\/p><\/div>\n<\/p><\/div>\n<ul>\n<li>\n","protected":false},"excerpt":{"rendered":"<p>\u5173\u4e8e ctypes \u4e2d Array&hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[],"tags":[],"_links":{"self":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/128209"}],"collection":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=128209"}],"version-history":[{"count":0,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/128209\/revisions"}],"wp:attachment":[{"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=128209"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=128209"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=128209"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}