{"rsdb":{"rid":"156030","subhead":"","postdate":"0","aid":"117134","fid":"49","uid":"1","topic":"1","content":"<dd id=\"Article\"> \n <p><strong><a href=https:\/\/www.cppentry.com\/list.php?fid=49 style=text-decoration:underline;font-size:14px;color:#F70968; target=_blank>C++<\/a>\u5f00\u53d1\u4e4bostringstream\u3001istringstream\u3001stringstream\u7528\u6cd5\u6d45\u6790<\/strong>\uff1aostringstream \uff1a \u7528\u4e8e\u6267\u884cC\u98ce\u683c\u5b57\u7b26\u4e32\u7684\u8f93\u51fa\u64cd\u4f5c\u3002istringstream \uff1a \u7528\u4e8e\u6267\u884cC\u98ce\u683c\u5b57\u7b26\u4e32\u7684\u8f93\u5165\u64cd\u4f5c\u3002stringstream \uff1a \u540c\u65f6\u652f\u6301C\u98ce\u683c\u5b57\u7b26\u4e32\u7684\u8f93\u5165\u8f93\u51fa\u64cd\u4f5c\u3002<\/p> \n <p>\u901a\u5e38\uff0costringstream \u7c7b\u7528\u6765\u683c\u5f0f\u5316\u5b57\u7b26\u4e32\uff0c\u907f\u514d\u7533\u8bf7\u5927\u91cf\u7684\u7f13\u51b2\u533a\uff0c\u66ff\u4ee3sprintf\u3002\u8be5\u7c7b\u80fd\u591f\u6839\u636e\u5185\u5bb9\u81ea\u52a8\u5206\u914d\u5185\u5b58\uff0c\u5176\u5bf9\u5185\u5b58\u7ba1\u7406\u4e5f\u662f\u76f8\u5f53\u5230\u4f4d\u3002<\/p> \n <p>\u793a\u4f8b\u4ee3\u7801\u5982\u4e0b\uff1a<\/p> \n <pre class=\"brush:java;\">\r\n#include \n  <string>\n   \r\n#include \n   <sstream>\n    \/\/ #include \n    <iostream>\n      \/\/ostringstream \u7528\u4e8e\u6267\u884cC\u98ce\u683c\u5b57\u7b26\u4e32\u7684\u8f93\u51fa\u64cd\u4f5c void ostringstream_test() { \/\/ostringstream \u53ea\u652f\u6301 << \u64cd\u4f5c\u7b26 std::ostringstream oss; oss << \"this is test\" << 123456; oss.str(\"\");\/\/\u6e05\u7a7a\u4e4b\u524d\u7684\u5185\u5bb9 \/\/oss.clear();\/\/\u5e76\u4e0d\u80fd\u6e05\u7a7a\u5185\u5b58 \/\/\u6d6e\u70b9\u6570\u8f6c\u6362\u9650\u5236 double tmp = 123.1234567890123; oss.precision(12); oss.setf(std::ios::fixed);\/\/\u5c06\u6d6e\u70b9\u6570\u7684\u4f4d\u6570\u9650\u5b9a\u4e3a\u5c0f\u6570\u70b9\u4e4b\u540e\u7684\u4f4d\u6570 oss << tmp; std::cout << oss.str() << \"\\r\\n\" << std::endl; } \/\/istringstream \u7528\u4e8e\u6267\u884cC\u98ce\u683c\u5b57\u7b26\u4e32\u7684\u8f93\u5165\u64cd\u4f5c void istringstream_test() { \/\/istringstream \u53ea\u652f\u6301 >> \u64cd\u4f5c\u7b26 std::string str = \"welcome to china\"; std::istringstream iss(str); \/\/\u628a\u5b57\u7b26\u4e32\u4e2d\u4ee5\u7a7a\u683c\u9694\u5f00\u7684\u5185\u5bb9\u63d0\u53d6\u51fa\u6765 std::string out; while(iss >> out) { std::cout << out << std::endl; } std::cout << \"\\r\\n\" << std::endl; } \/\/stringstream \u540c\u65f6\u652f\u6301C\u98ce\u683c\u5b57\u7b26\u4e32\u7684\u8f93\u5165\u8f93\u51fa\u64cd\u4f5c void stringstream_test() { \/\/\u8f93\u5165 std::stringstream ss; ss << \"hello this is kandy \" << 123; std::cout << ss.str() << \"\\r\\n\" << std::endl; \/\/\u8f93\u51fa std::string out; while(ss >> out) { std::cout << out.c_str() << std::endl; } std::cout << \"\\r\\n\" << std::endl; } int main() { ostringstream_test(); istringstream_test(); stringstream_test(); system(\"pause\"); return 0; }\n    <\/iostream>\n   <\/sstream>\n  <\/string><\/pre> \u8f93\u51fa\u7ed3\u679c\uff1a \n <p><img src=\"\/uploadfile\/Collfiles\/20170118\/20170118104409368.jpg\" \/><\/p> \n<\/dd>","orderid":"0","title":"C++\u5f00\u53d1\u4e4bostringstream\u3001istringstream\u3001stringstream\u7528\u6cd5\u6d45\u6790","smalltitle":"","mid":"0","fname":"c++\u7f16\u7a0b\u57fa\u7840","special_id":"0","bak_id":"0","info":"0","hits":"488","pages":"1","comments":"0","posttime":"2017-01-20 08:14:47","list":"1484871287","username":"admin","author":"","copyfrom":"","copyfromurl":"","titlecolor":"","fonttype":"0","titleicon":"0","picurl":"https:\/\/www.cppentry.com\/upload_files\/","ispic":"0","yz":"1","yzer":"","yztime":"0","levels":"0","levelstime":"0","keywords":"<A HREF='https:\/\/www.cppentry.com\/do\/search.php?type=keyword&keyword=%BF%AA%B7%A2' target=_blank>\u5f00\u53d1<\/A> <A HREF='https:\/\/www.cppentry.com\/do\/search.php?type=keyword&keyword=ostringstream' target=_blank>ostringstream<\/A> <A HREF='https:\/\/www.cppentry.com\/do\/search.php?type=keyword&keyword=istringstream' target=_blank>istringstream<\/A> <A HREF='https:\/\/www.cppentry.com\/do\/search.php?type=keyword&keyword=stringstream' target=_blank>stringstream<\/A> <A HREF='https:\/\/www.cppentry.com\/do\/search.php?type=keyword&keyword=%D3%C3%B7%A8' target=_blank>\u7528\u6cd5<\/A> <A HREF='https:\/\/www.cppentry.com\/do\/search.php?type=keyword&keyword=%C7%B3%CE%F6' target=_blank>\u6d45\u6790<\/A>","jumpurl":"","iframeurl":"","style":"","template":"a:3:{s:4:\"head\";s:0:\"\";s:4:\"foot\";s:0:\"\";s:8:\"bencandy\";s:0:\"\";}","target":"0","ip":"14.17.22.36","lastfid":"0","money":"0","buyuser":"","passwd":"","allowdown":"","allowview":"","editer":"","edittime":"0","begintime":"0","endtime":"0","description":"C++\u5f00\u53d1\u4e4bostringstream\u3001istringstream\u3001stringstream\u7528\u6cd5\u6d45\u6790","lastview":"1711504305","digg_num":"1094","digg_time":"0","forbidcomment":"0","ifvote":"0","heart":"","htmlname":"","city_id":"0"},"page":"1"}