# 概述

[WXSDKEngine registerService:@"SERVICE_NAME" withScript: @"SERVICE_JS_CODE" withOptions: @{}];
// or
[WXSDKEngine registerService:@"SERVICE_NAME" serviceScriptUrl: @"SERVICE_JS_URL" withOptions: @{}];

HashMap<String, String> options = new HashMap<>()
options.put("k1", "v1")
String SERVICE_NAME = "SERVICE_NAME"
String SERVICE_JS_CODE = "SERVICE_JS_CODE"
boolean result = WXSDKEngine.registerService(SERVICE_NAME, SERVICE_JS_CODE, options)

params of options Could have { create, refresh, destroy } lifecycle methods. In create method it should return an object of what variables or classes would be injected into the Weex instance.

<script src="SERVICE_JS_CODE_URL"></script>

service.register(SERVICE_NAME / same string with native /, {
  /
     JSService lifecycle. JSService create will before then each instance lifecycle create. The return param instance is Weex protected param. This object will return to instance global. Other params will in the services at instance.
    
     @param  {String} id  instance id
     @param  {Object} env device environment
     @return {Object}
    /
  create: function(id, env, config) {
    return {
      instance: {
        InstanceService: function(weex) {
          var modal = app.requireModule('modal')
          return {
            toast: function(title) {
              modal.toast({ message: title })
            }
          }
        }
      },
      NormalService: function(weex) {
        var modal = app.requireModule('modal')
        return {
          toast: function(title) {
            modal.toast({ message: title })
          }
        }
      }
    }
  },
  /
     JSService lifecycle. JSService refresh will before then each instance lifecycle refresh. If you want to reset variable or something on instance refresh.
    
     @param  {String} id  instance id
     @param  {Object} env device environment
    /
  refresh: function(id, env, config){
  },
  /**
     JSService lifecycle. JSService destroy will before then each instance lifecycle destroy. You can deleted variable here. If you doesn't detete variable define in JSService. The variable will always in the js runtime. It's would be memory leak risk.
    
     @param  {String} id  instance id
     @param  {Object} env device environment
     @return {Object}
    */
  destroy: function(id, env) {
  }
})

<script>
var _InstanceService = new InstanceService(weex)
var _NormalService = new service.NormalService(weex)
module.exports = {
  created: fucntion() {
    // called modal module to toast something
    _InstanceService.toast('Instance JSService')
    _NormalService.toast('Normal JSService')
  }
}
</script>

最后一次更新: 6/7/2019, 8:03:58 AM