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This article will explain in detail the example analysis of variable value sharing in the development of Weixin Mini Programs (Mini). Xiaobian thinks it is quite practical, so share it with you for reference. I hope you can gain something after reading this article.

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For example, from the product management list page, modify the product published by yourself. Click the Modify button to modify the product through the unique identifier of activityId. We can transfer the value of this activityId through page jump.

Get it in onLoad,

Examples:

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onLoad: function (options) {

var activityId = options.activityId; //Get value

this.data.activityId = activityId//settings can be called in the page

Suppose I now wanted to use the activityId variable example in the form submission method:

[javascript] view plain copy print?

submit: function(e){

var activityId = this.data.activityId //Get activityId

}

[javascript] view plain copy print?

This avoids using global variables to take values

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