如何拉起短信，并自动填充接收号码和短信内容

Button(“跳转到短信”).onClick((event: ClickEvent) => { 
  let context = getContext(this) as common.UIAbilityContext; 
  class info{ 
    contactName:string 
    telephone: string 
    // content:String 
    constructor() { 
      this.contactName = ‘ZhangSan’ 
      this.telephone = ‘123’ 
    } 
 
  } 
  // class want 
  let contactInfo:Array<Object> = new Array() 
  contactInfo[0] = new info(); 
  let want:Want = { 
    bundleName: ‘com.ohos.mms’, 
    abilityName: ‘com.ohos.mms.MainAbility’, 
    parameters: { 
      contactObjects: JSON.stringify(contactInfo), 
      content:“内容”, 
      pageFlag: ‘conversation’ 
    } 
  }; 
  context.startAbility(want) 
    .then(() => { 
      //… 
    }) 
    .catch((err:BusinessError) => { 
      console.error(Failed to startAbility. Code: ${err.code}, message: ${err.message}); 
    }); 
}).margin(10)