Redis\u961f\u5217\u662f\u4e00\u79cd\u57fa\u4e8eRedis\u7684\u6d88\u606f\u4f20\u9012\u65b9\u5f0f\uff0c\u5b83\u5177\u6709\u5728\u9ad8\u5e76\u53d1\u73af\u5883\u4e0b\u5b9e\u73b0\u4efb\u52a1\u8c03\u5ea6\u7684\u4f18\u52bf\u3002\u5982\u4eca\uff0c\u968f\u7740web\u670d\u52a1\u5668\u548c\u591a\u6838\u670d\u52a1\u5668\u7684\u53d1\u5c55\uff0c\u4f20\u7edf\u7684\u6d88\u606f\u961f\u5217\u6280\u672f\u652f\u6301\u7684\u6700\u5927\u5e76\u53d1\u7684\u91cf\u6ee1\u8db3\u4e0d\u4e86\u5e94\u7528\u7a0b\u5e8f\u7684\u6027\u80fd\u8981\u6c42\uff0c\u6240\u4ee5Redis\u961f\u5217\u5e94\u8fd0\u800c\u751f\u3002<\/p>\n<\/p>\n
Redis\u961f\u5217\u652f\u6301\u591a\u8282\u70b9\u670d\u52a1\u5668\u5f02\u6b65\u8c03\u5ea6\uff0c\u901a\u8fc7Redis server\uff08\u96c6\u7fa4\u6a21\u5f0f\uff09\u6765\u5b9e\u73b0\u53ef\u6269\u5c55\u6027\u548c\u53ef\u9760\u6027\u7b49\u4f18\u52bf\uff0c\u4ece\u800c\u5b9e\u73b0\u591a\u6838\u673a\u5668\u7684\u6027\u80fd\u63d0\u5347\u3002\u53e6\u5916\uff0c\u5b83\u8fd8\u652f\u6301\u5404\u79cd\u6d88\u606f\u53d1\u5e03\u8ba2\u9605\u6a21\u5f0f\uff0c\u4f7f\u5f97\u4e0d\u540c\u6d88\u8d39\u65b9\u53ef\u4ee5\u540c\u65f6\u5b9e\u73b0\u6d88\u8d39\uff0c\u975e\u5e38\u9002\u5408\u7528\u4e8e\u5927\u89c4\u6a21\u5e76\u53d1\u8bf7\u6c42\u5904\u7406\u3002<\/p>\n<\/p>\n
\u5177\u4f53\u6765\u8bb2\uff0cRedis\u961f\u5217\u53ef\u4ee5\u5e2e\u52a9\u7528\u6237\u8fdb\u884c\u9ad8\u6548\u5730\u4efb\u52a1\u8c03\u5ea6\uff0c\u4f7f\u5e94\u7528\u7a0b\u5e8f\u80fd\u591f\u5b9e\u73b0\u9ad8\u5e76\u53d1\u3002\u6b64\u5916\uff0c\u5b83\u53ef\u4ee5\u63d0\u5347\u5e94\u7528\u7a0b\u5e8f\u7684\u6027\u80fd\uff0c\u63d0\u4f9b\u53ef\u9760\u7684\u670d\u52a1\uff0c\u5e2e\u52a9\u7528\u6237\u5b9e\u73b0\u53ef\u4fe1\u3001\u53ef\u91cd\u590d\u7684\u4efb\u52a1\u5904\u7406\u3002<\/p>\n<\/p>\n
Redis\u961f\u5217\u662f\u4e00\u79cd\u53ef\u6269\u5c55\u7684\u6570\u636e\u4f20\u8f93\u5c42\uff0c\u5b83\u80fd\u591f\u5728\u8f83\u5927\u7684\u5e76\u53d1\u91cf\u65b9\u9762\u5b9e\u73b0\u5bb9\u9519\u53ca\u5c0a\u91cd\u5ef6\u8fdf\u7684\u7f51\u7edc\u3002\u4f46\u5b83\u4e5f\u6709\u4e00\u4e9b\u9650\u5236\uff0c\u4f8b\u5982\u5728\u6570\u636e\u5e93\u4e2d\u53ef\u80fd\u4f1a\u9650\u5236\u961f\u5217\u957f\u5ea6\uff0c\u5e76\u4e14\u5b83\u9700\u8981\u5bc6\u5207\u5730\u7ef4\u62a4\u4efb\u52a1\u961f\u5217\uff0c\u53ef\u80fd\u4f1a\u4e3a\u5176\u5e26\u6765\u589e\u52a0\u7684\u590d\u6742\u6027\u3002<\/p>\n<\/p>\n
\u4e3a\u4e86\u5b9e\u73b0\u591a\u6838\u670d\u52a1\u5668\u7684\u53ef\u6269\u5c55\u6027\u548c\u7a33\u5b9a\u6027\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528Redis\u961f\u5217\u6765\u5b8c\u6210\u4ee5\u4e0b\u5de5\u4f5c\uff1a<\/p>\n<\/p>\n
\/\/ 1. \u6d88\u606f\u53d1\u5e03\u8ba2\u9605\u3002<\/p>\n
const redis = require(\u2018redis\u2019);<\/p>\n
const client = redis.createClient();<\/p>\n<\/p>\n
client.on(\u2018message\u2019, (channel, message) => {<\/p>\n
console.log(`Message \u2018${message}\u2019 on channel \u2018${channel}\u2019 arrived!`);<\/p>\n
});<\/p>\n<\/p>\n
client.subscribe(\u2018my-channel\u2019);<\/p>\n
\/\/ 2. \u4efb\u52a1\u6d3e\u53d1\u3002<\/p>\n
let taskQueue = [];<\/p>\n<\/p>\n
while (!taskQueue.length) {<\/p>\n
\/\/ Pull jobs from the queue<\/p>\n
redis.lrange(\u2018task_queue\u2019, 0, -1, function(err, jobs) {<\/p>\n
if (err) {<\/p>\n
\/\/ handleError(err);<\/p>\n
} else {<\/p>\n
taskQueue = jobs;<\/p>\n
\/\/ Dispatch jobs<\/p>\n
}<\/p>\n
});<\/p>\n
}<\/p>\n
\/\/ 3. \u9519\u8bef\u5904\u7406<\/p>\n
const errorHandler = (err) => {<\/p>\n
\/\/ log the error<\/p>\n
console.log(err);<\/p>\n
\/\/ Do necessary handling<\/p>\n
}<\/p>\n<\/p>\n
\u4ee5\u4e0a\u5c31\u662f\u4f7f\u7528Redis\u961f\u5217\u5b9e\u73b0\u9ad8\u5e76\u53d1\u7684\u4e00\u4e9b\u793a\u4f8b\uff0c\u5b83\u80fd \u5e2e\u52a9\u7528\u6237\u6709\u6548\u5730\u5b9e\u73b0\u4efb\u52a1\u8c03\u5ea6\u3001\u6d88\u606f\u53d1\u5e03\u8ba2\u9605\u6a21\u5f0f\uff0c\u4ee5\u53ca\u9519\u8bef\u5904\u7406\u7b49\u3002\u53e6\u5916\uff0cRedis\u961f\u5217\u7684\u652f\u6301\u4e5f\u4f7f\u5f97\u670d\u52a1\u5668\u6027\u80fd\u5f97\u5230\u6781\u5927\u7684\u63d0\u5347\uff0c\u4ece\u800c\u4e3a\u670d\u52a1\u5668\u5e26\u6765\u53ef\u9760\u7684\u53ef\u6269\u5c55\u6027\u3001\u53ef\u9760\u6027\u548c\u6027\u80fd\u63d0\u5347\u7b49\u4f18\u52bf\u3002<\/p>\n