@@ -46,9 +46,14 @@ Component({
4646 value : false
4747 } ,
4848 // 是否可以预览
49- isPreview : {
49+ preview : {
5050 type : Boolean ,
5151 value : true
52+ } ,
53+ // 所选图片最大限制，单位字节
54+ maxImageSize : {
55+ type : Number ,
56+ value : 10000000 ,
5257 }
5358 } ,
5459
@@ -78,7 +83,7 @@ Component({
7883 */
7984 methods : {
8085 handleClear ( ) {
81- var urls = this . data . urls ;
86+ let urls = this . data . urls ;
8287 this . setData ( {
8388 urls : [ ] ,
8489 clear : false ,
@@ -97,8 +102,8 @@ Component({
97102 onPreviewTap ( e ) {
98103 const index = e . currentTarget . dataset . index ;
99104 const urls = this . data . urls ;
100- var tempFilePath = '' ;
101- var previewImageList = [ ] ;
105+ let tempFilePath = '' ;
106+ let previewImageList = [ ] ;
102107 const newOrOld = this . data . newOrOld ;
103108
104109 if ( newOrOld == 'old' ) {
@@ -107,7 +112,7 @@ Component({
107112
108113 } else {
109114 tempFilePath = this . data . urls [ index ] . url ;
110- for ( var i = 0 ; i < urls . length ; i ++ ) {
115+ for ( let i = 0 ; i < urls . length ; i ++ ) {
111116 previewImageList . push ( urls [ i ] . url ) ;
112117 }
113118 }
@@ -119,7 +124,7 @@ Component({
119124 all : urls // 需要预览的图片http链接列表
120125 } ;
121126 let option = { } ;
122- if ( this . data . isPreview === true ) {
127+ if ( this . data . preview === true ) {
123128 wx . previewImage ( {
124129 current : tempFilePath , // 当前显示图片的http链接
125130 urls : previewImageList // 需要预览的图片http链接列表
@@ -143,15 +148,21 @@ Component({
143148 sourceType : [ 'album' , 'camera' ] ,
144149 success ( res ) {
145150 // tempFilePath可以作为img标签的src属性显示图片
146- var tempFilePath = [ ] ;
151+ let tempFilePath = [ ] ;
147152 if ( newOrOld == 'old' ) {
148153 tempFilePath = res . tempFilePaths ;
149154 } else {
150- for ( var i = 0 ; i < res . tempFilePaths . length ; i ++ ) {
155+ for ( let i = 0 ; i < res . tempFilePaths . length ; i ++ ) {
151156 tempFilePath . push ( {
152157 url : res . tempFilePaths [ i ] ,
153158 // key: null
159+ imageSize : res . tempFiles [ i ] . size
154160 } ) ;
161+ if ( res . tempFiles [ i ] . size > that . data . maxImageSize ) {
162+ tempFilePath [ i ] . overSize = true ;
163+ } else {
164+ tempFilePath [ i ] . overSize = false ;
165+ }
155166 }
156167 }
157168 const newtempFilePaths = that . data . urls . concat ( tempFilePath ) ;
@@ -174,6 +185,23 @@ Component({
174185
175186 that . triggerEvent ( 'linchange' , detail , option ) ;
176187 that . triggerEvent ( 'linpush' , detail , option ) ;
188+
189+ // 超过大小的image集合
190+ let overSizeList = [ ] ;
191+ for ( let n = 0 ; n < newtempFilePaths . length ; n ++ ) {
192+ if ( newtempFilePaths [ n ] . overSize ) {
193+ overSizeList . push ( newtempFilePaths [ n ] ) ;
194+ }
195+ }
196+
197+ if ( overSizeList . length > 0 ) {
198+ let detail = {
199+ current : tempFilePath ,
200+ all : newtempFilePaths ,
201+ overSizeList : overSizeList ,
202+ } ;
203+ that . triggerEvent ( 'linoversize' , detail , option ) ;
204+ }
177205 }
178206 } ) ;
179207
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