C++ string 类属性详解：完整指南

C++\u4e2d\u7684\u5b57\u7b26\u4e32\uff08string\uff09\u662f\u4e00\u4e2a\u7c7b\uff0c\u5b83\u6709\u4ee5\u4e0b\u5c5e\u6027\uff1a\n\n1\uff0e length\uff08\uff09\uff1a\u8fd4\u56de\u5b57\u7b26\u4e32\u7684\u957f\u5ea6\u3002\n2\uff0e capacity\uff08\uff09\uff1a\u8fd4\u56de\u5b57\u7b26\u4e32\u7684\u5bb9\u91cf\u3002\n3\uff0e max_size\uff08\uff09\uff1a\u8fd4\u56de\u5b57\u7b26\u4e32\u53ef\u4ee5\u8fbe\u5230\u7684\u6700\u5927\u957f\u5ea6\u3002\n4\uff0e empty\uff08\uff09\uff1a\u68c0\u67e5\u5b57\u7b26\u4e32\u662f\u5426\u4e3a\u7a7a\u3002\n5\uff0e size\uff08\uff09\uff1a\u8fd4\u56de\u5b57\u7b26\u4e32\u7684\u5927\u5c0f\u3002\n6\uff0e clear\uff08\uff09\uff1a\u6e05\u7a7a\u5b57\u7b26\u4e32\u3002\n7\uff0e resize\uff08\uff09\uff1a\u6539\u53d8\u5b57\u7b26\u4e32\u7684\u5927\u5c0f\u3002\n8\uff0e reserve\uff08\uff09\uff1a\u4e3a\u5b57\u7b26\u4e32\u9884\u7559\u7a7a\u95f4\u3002\n9\uff0e shrink_to_fit\uff08\uff09\uff1a\u7f29\u5c0f\u5b57\u7b26\u4e32\u7684\u5bb9\u91cf\u4ee5\u9002\u5e94\u5b83\u7684\u5927\u5c0f\u3002\n10\uff0e operator\u3010\u3011\uff1a\u8bbf\u95ee\u5b57\u7b26\u4e32\u4e2d\u7684\u5355\u4e2a\u5b57\u7b26\u3002\n11\uff0e at\uff08\uff09\uff1a\u8bbf\u95ee\u5b57\u7b26\u4e32\u4e2d\u7684\u5355\u4e2a\u5b57\u7b26\uff0c\u5e76\u8fdb\u884c\u8fb9\u754c\u68c0\u67e5\u3002\n12\uff0e front\uff08\uff09\uff1a\u8fd4\u56de\u5b57\u7b26\u4e32\u7684\u7b2c\u4e00\u4e2a\u5b57\u7b26\u3002\n13\uff0e back\uff08\uff09\uff1a\u8fd4\u56de\u5b57\u7b26\u4e32\u7684\u6700\u540e\u4e00\u4e2a\u5b57\u7b26\u3002\n14\uff0e c_str\uff08\uff09\uff1a\u8fd4\u56de\u4e00\u4e2a\u4ee5 null\u7ed3\u675f\u7684 C\u98ce\u683c\u5b57\u7b26\u4e32\u3002\n15\uff0e data\uff08\uff09\uff1a\u8fd4\u56de\u6307\u5411\u5b57\u7b26\u4e32\u4e2d\u7b2c\u4e00\u4e2a\u5b57\u7b26\u7684\u6307\u9488\u3002\n16\uff0e substr\uff08\uff09\uff1a\u8fd4\u56de\u4e00\u4e2a\u5b50\u5b57\u7b26\u4e32\u3002\n17\uff0e find\uff08\uff09\uff1a\u5728\u5b57\u7b26\u4e32\u4e2d\u627e\u627e\u6307\u5b9a\u5b50\u5b57\u7b26\u4e32\u7684\u7b2c\u4e00\u6b21\u51fa\u73b0\u3002\n18\uff0e rfind\uff08\uff09\uff1a\u5728\u5b57\u7b26\u4e32\u4e2d\u627e\u627e\u6307\u5b9a\u5b50\u5b57\u7b26\u4e32\u7684\u6700\u540e\u4e00\u6b21\u51fa\u73b0\u3002\n19\uff0e find_first_of\uff08\uff09\uff1a\u5728\u5b57\u7b26\u4e32\u4e2d\u627e\u627e\u6307\u5b9a\u5b57\u7b26\u96c6\u5408\u4e2d\u7684\u4efb\u4f55\u5b57\u7b26\u7684\u7b2c\u4e00\u6b21\u51fa\u73b0\u3002\n20\uff0e find_last_of\uff08\uff09\uff1a\u5728\u5b57\u7b26\u4e32\u4e2d\u627e\u627e\u6307\u5b9a\u5b57\u7b26\u96c6\u5408\u4e2d\u7684\u4efb\u4f55\u5b57\u7b26\u7684\u6700\u540e\u4e00\u6b21\u51fa\u73b0\u3002\n21\uff0e find_first_not_of\uff08\uff09\uff1a\u5728\u5b57\u7b26\u4e32\u4e2d\u627e\u627e\u4e0d\u5c5e\u4e8e\u6307\u5b9a\u5b57\u7b26\u96c6\u5408\u7684\u4efb\u4f55\u5b57\u7b26\u7684\u7b2c\u4e00\u6b21\u51fa\u73b0\u3002\n22\uff0e find_last_not_of\uff08\uff09\uff1a\u5728\u5b57\u7b26\u4e32\u4e2d\u627e\u627e\u4e0d\u5c5e\u4e8e\u6307\u5b9a\u5b57\u7b26\u96c6\u5408\u7684\u4efb\u4f55\u5b57\u7b26\u7684\u6700\u540e\u4e00\u6b21\u51fa\u73b0\u3002\n23\uff0e compare\uff08\uff09\uff1a\u6bd4\u8f83\u4e24\u4e2a\u5b57\u7b26\u4e32\u3002\n24\uff0e insert\uff08\uff09\uff1a\u5728\u5b57\u7b26\u4e32\u4e2d\u63d2\u5165\u5b57\u7b26\u6216\u5b57\u7b26\u4e32\u3002\n25\uff0e erase\uff08\uff09\uff1a\u4ece\u5b57\u7b26\u4e32\u4e2d\u5220\u9664\u5b57\u7b26\u6216\u5b50\u5b57\u7b26\u4e32\u3002\n26\uff0e replace\uff08\uff09\uff1a\u7528\u6307\u5b9a\u7684\u5b57\u7b26\u4e32\u66ff\u6362\u5b57\u7b26\u4e32\u4e2d\u7684\u5b57\u7b26\u6216\u5b50\u5b57\u7b26\u4e32\u3002\n27\uff0e push_back\uff08\uff09\uff1a\u5728\u5b57\u7b26\u4e32\u7684\u672b\u5c3e\u6dfb\u52a0\u4e00\u4e2a\u5b57\u7b26\u3002\n28\uff0e pop_back\uff08\uff09\uff1a\u5220\u9664\u5b57\u7b26\u4e32\u7684\u6700\u540e\u4e00\u4e2a\u5b57\u7b26\u3002\n29\uff0e append\uff08\uff09\uff1a\u5728\u5b57\u7b26\u4e32\u7684\u672b\u5c3e\u6dfb\u52a0\u5b57\u7b26\u6216\u5b57\u7b26\u4e32\u3002\n\n\u8fd9\u4e9b\u662f C++\u5b57\u7b26\u4e32\u7c7b\u7684\u4e00\u4e9b\u5e38\u7528\u5c5e\u6027\uff0c\u53ef\u4ee5\u901a\u8fc7\u5bf9\u8c61\u8bbf\u95ee\u548c\u64cd\u4f5c\u5b57\u7b26\u4e32\u7684\u5185\u5bb9\u3002