本文是根據(jù)不同的id來進(jìn)行設(shè)置和讀取緩存,是同步緩存的方式:

jonNums.count 是接口返回的數(shù)據(jù) 是報(bào)名總?cè)藬?shù)
newNumber 新的報(bào)名總?cè)藬?shù) - 緩存上次的報(bào)名總?cè)藬?shù) = 新增報(bào)名人數(shù)
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onLoad: function (options) {
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var that = this;
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var activityId = options.activityId;
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//報(bào)名表人數(shù)統(tǒng)計(jì)
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wx.request({
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url: domain + '/activityjoin/selectJoinCount',
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data: { activityId: activityId },
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method: 'GET',
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success: function (res) {
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var jonNums = res.data;
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var newNumber = jonNums.count - wx.getStorageSync('jonNumsed' + activityId) //獲取緩存
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wx.setStorageSync('jonNumsed' + activityId, jonNums.count);//設(shè)置緩存
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if (jonNums.count) {
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activityId
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}
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jonNums.joinCount = jonNums.count;
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that.setData({ newNumber: newNumber, jonNums: jonNums })
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}
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})
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},
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