微信小程序 查询关键字标红

wxml

	{{items.str}}               
	{{items.str}}
   

js

let that = this
let data = '啊啊啊啊啊哈啊啊啊哈哈啊啊哈哈额'
let value = '哈哈';

// 调用处理的方法
data = that.hilight_str(key, data);
console.log(data)

// 根据关键字切割字符串
hilight_str: function (key, strs) {    
  let idx = strs.indexOf(key), t = [];
  if(idx > -1) {
    if(idx == 0) {
      t = this.hilight_str(key, strs.substr(key.length))
      t.unshift({ key: true, str: key })
      return t;
    }
    if(idx > 0) {
      t = this.hilight_str(key, strs.substr(idx));
      t.unshift({ key: false, str: strs.substring(0, idx) });
      return t
    }
  }
  return [{ key: false, str: strs }];
},