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"),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("{")]),s._v("\n        lock"),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(".")]),a("span",{pre:!0,attrs:{class:"token function"}},[s._v("lock")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("(")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(")")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(";")]),s._v(" "),a("span",{pre:!0,attrs:{class:"token comment"}},[s._v("//获取锁")]),s._v("\n        "),a("span",{pre:!0,attrs:{class:"token comment"}},[s._v("// 执行代码...")]),s._v("\n    "),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("}")]),s._v("\n    "),a("span",{pre:!0,attrs:{class:"token keyword"}},[s._v("finally")]),s._v("\n    "),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("{")]),s._v("\n        lock"),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(".")]),a("span",{pre:!0,attrs:{class:"token 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