localstorage历史搜索记录

mounted: function(){

let vm = this;

if( window. localStorage. getItem( 'SearchKeywords')) {

let searchKeywordListJSON = window. localStorage. getItem( 'SearchKeywords');

vm. serachHistory = JSON. parse( searchKeywordListJSON);

} else {

vm. serachHistory = [];

}

document. onkeyup= function( event) {

var e = event || window. event;

console. log( e. keyCode);

e. preventDefault();

if( e && e. keyCode== 13){ // enter 键

vm. serachHistory. push( vm. searchWord);

if( device. isMeiDeNiApp()) {

ProductsearchBridge. HotSearch( vm. searchWord);

}

else {

window. location. href= '/#/productsearchlist?MainWord='+ vm. searchWord

}

let searchKeywordList = JSON. stringify( vm. serachHistory);

window. localStorage. setItem( 'SearchKeywords', searchKeywordList);

}

};

console. log( window. localStorage);

vm. showHistory();

},

methods:{

showHistory: function() {

let vm = this;

vm. history = [];

let searchKeywordListJSON = window. localStorage. getItem( 'SearchKeywords');

let serachHistory = JSON. parse( searchKeywordListJSON)!= null? JSON. parse( searchKeywordListJSON):[];

for( let i= serachHistory. length- 1; i>= 0; i--) {

vm. history. push( serachHistory[ i]);

}

},

}